chore: Update discovery artifacts (#1208)

## Discovery Artifact Change Summary:
admindirectory_v1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/3fc3b7614d5df2917e6285a1d4834cbcffd7c665)
adminreports_v1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/3fc3b7614d5df2917e6285a1d4834cbcffd7c665)
admobv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/a2400d9c226a479be6532e1e2822efecc72b87c5)
admobv1beta[ [More details]](https://github.com/googleapis/google-api-python-client/commit/a2400d9c226a479be6532e1e2822efecc72b87c5)
analyticsv3[ [More details]](https://github.com/googleapis/google-api-python-client/commit/61136a15f60ec8deedca3f31a575865c3a28e49b)
analyticsreportingv4[ [More details]](https://github.com/googleapis/google-api-python-client/commit/03ee301449791d11cb7653d9a6431418304e5fbe)
androidenterprisev1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/09a9ddc212d0062fcac494136a4fc21015cfa527)
assuredworkloadsv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/a7b9f4cadc1168ec764f0839027d17a9a474a9ed)
bigquerydatatransferv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/52de288372258c6c926f646e8b77ced31245f705)
classroomv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/ec6203468fc483eec6a65c9464443f2d1a0b79c0)
cloudassetv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/0e739c196ee75a225348798e2eb29b1ba599841a)
cloudassetv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/0e739c196ee75a225348798e2eb29b1ba599841a)
cloudassetv1p1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/0e739c196ee75a225348798e2eb29b1ba599841a)
cloudassetv1p4beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/0e739c196ee75a225348798e2eb29b1ba599841a)
cloudassetv1p5beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/0e739c196ee75a225348798e2eb29b1ba599841a)
cloudassetv1p7beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/0e739c196ee75a225348798e2eb29b1ba599841a)
clouderrorreportingv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/aee2d1da567892798889b6231852bfb48a749de1)
cloudiotv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/c1635fdcd108c85ca6be0901ecb9f7f7468b7e3d)
cloudsearchv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/3ee9ab15d37a6c933d8b48eda9fec8125309040a)
cloudshellv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/e10759569feb88aa1a02472719a21f7beaa8a349)
containerv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/47958636b0fa68d9c23bacd765b90954293c7551)
datalabelingv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/ad487d5fd8455823ed044dd6567d1e1a85729755)
dfareportingv3.3[ [More details]](https://github.com/googleapis/google-api-python-client/commit/fc38ed0d8aabe80a003866059d59f03b67c9de9f)
dfareportingv3.4[ [More details]](https://github.com/googleapis/google-api-python-client/commit/fc38ed0d8aabe80a003866059d59f03b67c9de9f)
docsv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/c6dcde43ee5c4bf53fcbbdbc52a88b73b9c45e2d)
domainsv1alpha2[ [More details]](https://github.com/googleapis/google-api-python-client/commit/92b5958ee1e954019be6582e7ce80703ff91f17d)
domainsv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/92b5958ee1e954019be6582e7ce80703ff91f17d)
doubleclickbidmanagerv1.1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/2cf24fd0a733a07b55ad481165e9635b4e7bf9a3)
drivev2[ [More details]](https://github.com/googleapis/google-api-python-client/commit/a060399fea6a34ed6982db0186345eac27eedadd)
drivev3[ [More details]](https://github.com/googleapis/google-api-python-client/commit/a060399fea6a34ed6982db0186345eac27eedadd)
fcmv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/348a8bc10b44abe8e994b1619bee5e2333074411)
firebasehostingv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/15eb02bb44876ab6873539c206c064bd08e6684c)
fitnessv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/b40a9bb9c0f0c18c4839f58ecbe5f85c84053259)
gmailv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/6a77c586893584132d964293e1be34356d5fbfcb)
groupssettingsv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/bbbcfde0767f9dff176b9dce7432b4d7f2bc739e)
homegraphv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/a867202c70cd9e7ee711ae13e43b8c5ce3f4cdbf)
indexnan[ [More details]](https://github.com/googleapis/google-api-python-client/commit/a867202c70cd9e7ee711ae13e43b8c5ce3f4cdbf)
loggingv2[ [More details]](https://github.com/googleapis/google-api-python-client/commit/8fcbde03c7790ced3dbcba11e05bea7a8f451ac4)
peoplev1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/6e4c87a393b295e72ec11a5b1e752e2c139685df)
recommendationenginev1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/e6ace9e4dfbe429016788fd3a4a32de8f359a2d1)
recommenderv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/c340d3f0d43cb250159fda91a0f884c06aa19346)
recommenderv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/c340d3f0d43cb250159fda91a0f884c06aa19346)
redisv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/f0d31fe127c3bcac9285457ff6510a6d9b4d7025)
redisv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/f0d31fe127c3bcac9285457ff6510a6d9b4d7025)
scriptv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/d235c949a32d1ce099cc6f1f161dc4930949bd80)
servicedirectoryv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/b8e06d2e15229e868b698cb4a296f3202f84bf24)
servicemanagementv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/eb37d585a103ca332e3af48a0f46c1408e805863)
smartdevicemanagementv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/67bfa0e50eb1a761222f3d424e662043b0a29171)
streetviewpublishv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/5825e78ab4c5b3a0bbfc85fa332e4962096fdb55)
tasksv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/dcd228af6573a3163da3cfaca9c0cb6cd679d282)
texttospeechv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/43220b5cd401440812e76821e6cbd5c3099659cd)
texttospeechv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/43220b5cd401440812e76821e6cbd5c3099659cd)
trafficdirectorv2[ [More details]](https://github.com/googleapis/google-api-python-client/commit/4141254d0c9f8627a35a5be19f23f673fc619164)
translatev3[ [More details]](https://github.com/googleapis/google-api-python-client/commit/b0bec6c2662ed00b6e80c5fd361fadf396f4e00c)
translatev3beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/b0bec6c2662ed00b6e80c5fd361fadf396f4e00c)
vaultv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/f946ac2b3cfa3f8566ceea85110b919a7d974352)
workflowsv1beta[ [More details]](https://github.com/googleapis/google-api-python-client/commit/a4ff4fcf07923786768354ab7f5cdef28ba3e29f)
diff --git a/docs/dyn/logging_v2.entries.html b/docs/dyn/logging_v2.entries.html
index 0f27523..2f24773 100644
--- a/docs/dyn/logging_v2.entries.html
+++ b/docs/dyn/logging_v2.entries.html
@@ -148,11 +148,11 @@
       "jsonPayload": { # The log entry payload, represented as a structure that is expressed as a JSON object.
         "a_key": "", # Properties of the object.
       },
-      "labels": { # Optional. A set of user-defined (key, value) data that provides additional information about the log entry.
+      "labels": { # Optional. A set of user-defined (key, value) data that provides additional information about the log entry.Cloud Logging truncates label keys that exceed 512 B and label values that exceed 64 KB upon their associated log entry being written. The truncation is indicated by an ellipsis at the end of the character string.
         "a_key": "A String",
       },
       "logName": "A String", # Required. The resource name of the log to which this log entry belongs: "projects/[PROJECT_ID]/logs/[LOG_ID]" "organizations/[ORGANIZATION_ID]/logs/[LOG_ID]" "billingAccounts/[BILLING_ACCOUNT_ID]/logs/[LOG_ID]" "folders/[FOLDER_ID]/logs/[LOG_ID]" A project number may be used in place of PROJECT_ID. The project number is translated to its corresponding PROJECT_ID internally and the log_name field will contain PROJECT_ID in queries and exports.[LOG_ID] must be URL-encoded within log_name. Example: "organizations/1234567890/logs/cloudresourcemanager.googleapis.com%2Factivity". [LOG_ID] must be less than 512 characters long and can only include the following characters: upper and lower case alphanumeric characters, forward-slash, underscore, hyphen, and period.For backward compatibility, if log_name begins with a forward-slash, such as /projects/..., then the log entry is ingested as usual but the forward-slash is removed. Listing the log entry will not show the leading slash and filtering for a log name with a leading slash will never return any results.
-      "metadata": { # Auxiliary metadata for a MonitoredResource object. MonitoredResource objects contain the minimum set of information to uniquely identify a monitored resource instance. There is some other useful auxiliary metadata. Monitoring and Logging use an ingestion pipeline to extract metadata for cloud resources of all types, and store the metadata in this message. # Output only. Deprecated. Additional metadata about the monitored resource.Only k8s_container, k8s_pod, and k8s_node MonitoredResources have this field populated for GKE versions older than 1.12.6. For GKE versions 1.12.6 and above, the metadata field has been deprecated. The Kubernetes pod labels that used to be in metadata.userLabels will now be present in the labels field with a key prefix of k8s-pod/. The system labels that were present in the metadata.systemLabels field will no longer be available in the LogEntry.
+      "metadata": { # Auxiliary metadata for a MonitoredResource object. MonitoredResource objects contain the minimum set of information to uniquely identify a monitored resource instance. There is some other useful auxiliary metadata. Monitoring and Logging use an ingestion pipeline to extract metadata for cloud resources of all types, and store the metadata in this message. # Output only. Deprecated. Additional metadata about the monitored resource.Only k8s_container, k8s_pod, and k8s_node MonitoredResources have this field populated for GKE versions older than 1.12.6. For GKE versions 1.12.6 and above, the metadata field has been deprecated. The Kubernetes pod labels that used to be in metadata.userLabels will now be present in the labels field with a key prefix of k8s-pod/. The system labels that were present in the metadata.systemLabels field will no longer be available in the log entry.
         "systemLabels": { # Output only. Values for predefined system metadata labels. System labels are a kind of metadata extracted by Google, including "machine_image", "vpc", "subnet_id", "security_group", "name", etc. System label values can be only strings, Boolean values, or a list of strings. For example: { "name": "my-test-instance", "security_group": ["a", "b", "c"], "spot_instance": false }
           "a_key": "", # Properties of the object.
         },
@@ -255,11 +255,11 @@
       "jsonPayload": { # The log entry payload, represented as a structure that is expressed as a JSON object.
         "a_key": "", # Properties of the object.
       },
-      "labels": { # Optional. A set of user-defined (key, value) data that provides additional information about the log entry.
+      "labels": { # Optional. A set of user-defined (key, value) data that provides additional information about the log entry.Cloud Logging truncates label keys that exceed 512 B and label values that exceed 64 KB upon their associated log entry being written. The truncation is indicated by an ellipsis at the end of the character string.
         "a_key": "A String",
       },
       "logName": "A String", # Required. The resource name of the log to which this log entry belongs: "projects/[PROJECT_ID]/logs/[LOG_ID]" "organizations/[ORGANIZATION_ID]/logs/[LOG_ID]" "billingAccounts/[BILLING_ACCOUNT_ID]/logs/[LOG_ID]" "folders/[FOLDER_ID]/logs/[LOG_ID]" A project number may be used in place of PROJECT_ID. The project number is translated to its corresponding PROJECT_ID internally and the log_name field will contain PROJECT_ID in queries and exports.[LOG_ID] must be URL-encoded within log_name. Example: "organizations/1234567890/logs/cloudresourcemanager.googleapis.com%2Factivity". [LOG_ID] must be less than 512 characters long and can only include the following characters: upper and lower case alphanumeric characters, forward-slash, underscore, hyphen, and period.For backward compatibility, if log_name begins with a forward-slash, such as /projects/..., then the log entry is ingested as usual but the forward-slash is removed. Listing the log entry will not show the leading slash and filtering for a log name with a leading slash will never return any results.
-      "metadata": { # Auxiliary metadata for a MonitoredResource object. MonitoredResource objects contain the minimum set of information to uniquely identify a monitored resource instance. There is some other useful auxiliary metadata. Monitoring and Logging use an ingestion pipeline to extract metadata for cloud resources of all types, and store the metadata in this message. # Output only. Deprecated. Additional metadata about the monitored resource.Only k8s_container, k8s_pod, and k8s_node MonitoredResources have this field populated for GKE versions older than 1.12.6. For GKE versions 1.12.6 and above, the metadata field has been deprecated. The Kubernetes pod labels that used to be in metadata.userLabels will now be present in the labels field with a key prefix of k8s-pod/. The system labels that were present in the metadata.systemLabels field will no longer be available in the LogEntry.
+      "metadata": { # Auxiliary metadata for a MonitoredResource object. MonitoredResource objects contain the minimum set of information to uniquely identify a monitored resource instance. There is some other useful auxiliary metadata. Monitoring and Logging use an ingestion pipeline to extract metadata for cloud resources of all types, and store the metadata in this message. # Output only. Deprecated. Additional metadata about the monitored resource.Only k8s_container, k8s_pod, and k8s_node MonitoredResources have this field populated for GKE versions older than 1.12.6. For GKE versions 1.12.6 and above, the metadata field has been deprecated. The Kubernetes pod labels that used to be in metadata.userLabels will now be present in the labels field with a key prefix of k8s-pod/. The system labels that were present in the metadata.systemLabels field will no longer be available in the log entry.
         "systemLabels": { # Output only. Values for predefined system metadata labels. System labels are a kind of metadata extracted by Google, including "machine_image", "vpc", "subnet_id", "security_group", "name", etc. System label values can be only strings, Boolean values, or a list of strings. For example: { "name": "my-test-instance", "security_group": ["a", "b", "c"], "spot_instance": false }
           "a_key": "", # Properties of the object.
         },
@@ -338,11 +338,11 @@
       "jsonPayload": { # The log entry payload, represented as a structure that is expressed as a JSON object.
         "a_key": "", # Properties of the object.
       },
-      "labels": { # Optional. A set of user-defined (key, value) data that provides additional information about the log entry.
+      "labels": { # Optional. A set of user-defined (key, value) data that provides additional information about the log entry.Cloud Logging truncates label keys that exceed 512 B and label values that exceed 64 KB upon their associated log entry being written. The truncation is indicated by an ellipsis at the end of the character string.
         "a_key": "A String",
       },
       "logName": "A String", # Required. The resource name of the log to which this log entry belongs: "projects/[PROJECT_ID]/logs/[LOG_ID]" "organizations/[ORGANIZATION_ID]/logs/[LOG_ID]" "billingAccounts/[BILLING_ACCOUNT_ID]/logs/[LOG_ID]" "folders/[FOLDER_ID]/logs/[LOG_ID]" A project number may be used in place of PROJECT_ID. The project number is translated to its corresponding PROJECT_ID internally and the log_name field will contain PROJECT_ID in queries and exports.[LOG_ID] must be URL-encoded within log_name. Example: "organizations/1234567890/logs/cloudresourcemanager.googleapis.com%2Factivity". [LOG_ID] must be less than 512 characters long and can only include the following characters: upper and lower case alphanumeric characters, forward-slash, underscore, hyphen, and period.For backward compatibility, if log_name begins with a forward-slash, such as /projects/..., then the log entry is ingested as usual but the forward-slash is removed. Listing the log entry will not show the leading slash and filtering for a log name with a leading slash will never return any results.
-      "metadata": { # Auxiliary metadata for a MonitoredResource object. MonitoredResource objects contain the minimum set of information to uniquely identify a monitored resource instance. There is some other useful auxiliary metadata. Monitoring and Logging use an ingestion pipeline to extract metadata for cloud resources of all types, and store the metadata in this message. # Output only. Deprecated. Additional metadata about the monitored resource.Only k8s_container, k8s_pod, and k8s_node MonitoredResources have this field populated for GKE versions older than 1.12.6. For GKE versions 1.12.6 and above, the metadata field has been deprecated. The Kubernetes pod labels that used to be in metadata.userLabels will now be present in the labels field with a key prefix of k8s-pod/. The system labels that were present in the metadata.systemLabels field will no longer be available in the LogEntry.
+      "metadata": { # Auxiliary metadata for a MonitoredResource object. MonitoredResource objects contain the minimum set of information to uniquely identify a monitored resource instance. There is some other useful auxiliary metadata. Monitoring and Logging use an ingestion pipeline to extract metadata for cloud resources of all types, and store the metadata in this message. # Output only. Deprecated. Additional metadata about the monitored resource.Only k8s_container, k8s_pod, and k8s_node MonitoredResources have this field populated for GKE versions older than 1.12.6. For GKE versions 1.12.6 and above, the metadata field has been deprecated. The Kubernetes pod labels that used to be in metadata.userLabels will now be present in the labels field with a key prefix of k8s-pod/. The system labels that were present in the metadata.systemLabels field will no longer be available in the log entry.
         "systemLabels": { # Output only. Values for predefined system metadata labels. System labels are a kind of metadata extracted by Google, including "machine_image", "vpc", "subnet_id", "security_group", "name", etc. System label values can be only strings, Boolean values, or a list of strings. For example: { "name": "my-test-instance", "security_group": ["a", "b", "c"], "spot_instance": false }
           "a_key": "", # Properties of the object.
         },