chore: Update discovery artifacts (#1477)

## Deleted keys were detected in the following stable discovery artifacts:
apigee v1 https://github.com/googleapis/google-api-python-client/commit/4485c5f3b32c9bda4f50a2a96c5870414f7d870f
sqladmin v1 https://github.com/googleapis/google-api-python-client/commit/41d51e34759b181692ed96d9d490a9cfc5a28459

## Deleted keys were detected in the following pre-stable discovery artifacts:
sqladmin v1beta4 https://github.com/googleapis/google-api-python-client/commit/41d51e34759b181692ed96d9d490a9cfc5a28459
transcoder v1beta1 https://github.com/googleapis/google-api-python-client/commit/1e0b0854e31f52013a8c5423efbd5e34c953e08c

## Discovery Artifact Change Summary:
feat(accesscontextmanager): update the api https://github.com/googleapis/google-api-python-client/commit/30216a669249442cac8f0fb8bb347b1352d8f087
feat(alertcenter): update the api https://github.com/googleapis/google-api-python-client/commit/39b084706537111e8403be6e69f0fc9d82b2f383
feat(apigee): update the api https://github.com/googleapis/google-api-python-client/commit/4485c5f3b32c9bda4f50a2a96c5870414f7d870f
feat(bigquery): update the api https://github.com/googleapis/google-api-python-client/commit/304bbde2360066caf55575e3be5a04fdc8bf8b09
feat(chromemanagement): update the api https://github.com/googleapis/google-api-python-client/commit/0ba28b47236a81a996a3607567b61ab38150617d
feat(cloudasset): update the api https://github.com/googleapis/google-api-python-client/commit/792aa5593ea64ceb4b565e950e153e396274b3b8
feat(cloudbuild): update the api https://github.com/googleapis/google-api-python-client/commit/6b06387ca29e76d26f257c7a4eb6864fe27e082e
feat(cloudchannel): update the api https://github.com/googleapis/google-api-python-client/commit/0b0444ea192f79c5564745be8b1d52b52a74d1fb
feat(cloudkms): update the api https://github.com/googleapis/google-api-python-client/commit/7dc278459cbd32bf15b39633327743cfa0beeea3
feat(composer): update the api https://github.com/googleapis/google-api-python-client/commit/92131bff38ab7644e549f3d71f9c0a84755455db
feat(container): update the api https://github.com/googleapis/google-api-python-client/commit/53d8b4b3e3c5d16ffd14ba1af1cf1769d9249067
feat(containeranalysis): update the api https://github.com/googleapis/google-api-python-client/commit/9ab94f3f4c2ccafdf8b298dad8c6a5c2aa61a606
feat(dialogflow): update the api https://github.com/googleapis/google-api-python-client/commit/b49bfdaedbed3378b061e85f937a36e97732fcd4
feat(iam): update the api https://github.com/googleapis/google-api-python-client/commit/0832247d126965b472a271167028499f015de1ae
feat(metastore): update the api https://github.com/googleapis/google-api-python-client/commit/dd83236343d603e964613b16e9afa25eff60f97c
feat(ondemandscanning): update the api https://github.com/googleapis/google-api-python-client/commit/6ffbe182425ec217230fc083e217676e915bb786
feat(osconfig): update the api https://github.com/googleapis/google-api-python-client/commit/e079d43be4291ca10be7caf432012c6553e0398e
feat(oslogin): update the api https://github.com/googleapis/google-api-python-client/commit/d3ec653bdd293a63ae0b3772ce83e1fda73d5de5
feat(pubsub): update the api https://github.com/googleapis/google-api-python-client/commit/06dfff22baec2551508b93e29e4c36fa442ab299
feat(pubsublite): update the api https://github.com/googleapis/google-api-python-client/commit/4287a7d537741391a9afe9e669b98010ed4fc0ab
feat(recaptchaenterprise): update the api https://github.com/googleapis/google-api-python-client/commit/ebfeb8fc00a1c6a8603b35640845c5cdacf53cb2
feat(recommender): update the api https://github.com/googleapis/google-api-python-client/commit/01f2d6cc989ce337537a51ead8ffd3d6fc7e6c5d
feat(speech): update the api https://github.com/googleapis/google-api-python-client/commit/601afcf08fd96421b64ef4c6f098f09f0748ce69
feat(sqladmin): update the api https://github.com/googleapis/google-api-python-client/commit/41d51e34759b181692ed96d9d490a9cfc5a28459
feat(tagmanager): update the api https://github.com/googleapis/google-api-python-client/commit/47a522aac79ae9283a0c7ee7a2d0716e605d8c21
feat(transcoder): update the api https://github.com/googleapis/google-api-python-client/commit/1e0b0854e31f52013a8c5423efbd5e34c953e08c
diff --git a/docs/dyn/composer_v1beta1.projects.locations.environments.html b/docs/dyn/composer_v1beta1.projects.locations.environments.html
index 9fc7677..b47a47f 100644
--- a/docs/dyn/composer_v1beta1.projects.locations.environments.html
+++ b/docs/dyn/composer_v1beta1.projects.locations.environments.html
@@ -177,6 +177,7 @@
     },
     "nodeConfig": { # The configuration information for the Kubernetes Engine nodes running the Apache Airflow software. # The configuration used for the Kubernetes Engine cluster.
       "diskSizeGb": 42, # Optional. The disk size in GB used for node VMs. Minimum size is 20GB. If unspecified, defaults to 100GB. Cannot be updated. This field is supported for Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*.
+      "enableIpMasqAgent": True or False, # Optional. Deploys 'ip-masq-agent' daemon set in the GKE cluster and defines nonMasqueradeCIDRs equals to pod IP range so IP masquerading is used for all destination addresses, except between pods traffic. See: https://cloud.google.com/kubernetes-engine/docs/how-to/ip-masquerade-agent
       "ipAllocationPolicy": { # Configuration for controlling how IPs are allocated in the GKE cluster. # Optional. The IPAllocationPolicy fields for the GKE cluster.
         "clusterIpv4CidrBlock": "A String", # Optional. The IP address range used to allocate IP addresses to pods in the cluster. This field is applicable only when `use_ip_aliases` is true. For Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*, this field is applicable only when `use_ip_aliases` is true. Set to blank to have GKE choose a range with the default size. Set to /netmask (e.g. `/14`) to have GKE choose a range with a specific netmask. Set to a [CIDR](http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing) notation (e.g. `10.96.0.0/14`) from the RFC-1918 private networks (e.g. `10.0.0.0/8`, `172.16.0.0/12`, `192.168.0.0/16`) to pick a specific range to use. Specify `cluster_secondary_range_name` or `cluster_ipv4_cidr_block` but not both.
         "clusterSecondaryRangeName": "A String", # Optional. The name of the cluster's secondary range used to allocate IP addresses to pods. Specify either `cluster_secondary_range_name` or `cluster_ipv4_cidr_block` but not both. This field is applicable only when `use_ip_aliases` is true. For Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*, this field is applicable only when `use_ip_aliases` is true.
@@ -203,6 +204,7 @@
       "cloudComposerNetworkIpv4ReservedRange": "A String", # Output only. The IP range reserved for the tenant project's Cloud Composer network. This field is supported for Cloud Composer environments in versions composer-2.*.*-airflow-*.*.* and newer.
       "cloudSqlIpv4CidrBlock": "A String", # Optional. The CIDR block from which IP range in tenant project will be reserved for Cloud SQL. Needs to be disjoint from web_server_ipv4_cidr_block
       "enablePrivateEnvironment": True or False, # Optional. If `true`, a Private IP Cloud Composer environment is created. If this field is set to true, `IPAllocationPolicy.use_ip_aliases` must be set to true for Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*.
+      "enablePrivatelyUsedPublicIps": True or False, # Optional. When enabled, IPs from public (non-RFC1918) ranges can be used for `IPAllocationPolicy.cluster_ipv4_cidr_block` and `IPAllocationPolicy.service_ipv4_cidr_block`.
       "privateClusterConfig": { # Configuration options for the private GKE cluster in a Cloud Composer environment. # Optional. Configuration for the private GKE cluster for a Private IP Cloud Composer environment.
         "enablePrivateEndpoint": True or False, # Optional. If `true`, access to the public endpoint of the GKE cluster is denied.
         "masterIpv4CidrBlock": "A String", # Optional. The CIDR block from which IPv4 range for GKE master will be reserved. If left blank, the default value of '172.16.0.0/23' is used.
@@ -364,6 +366,7 @@
     },
     "nodeConfig": { # The configuration information for the Kubernetes Engine nodes running the Apache Airflow software. # The configuration used for the Kubernetes Engine cluster.
       "diskSizeGb": 42, # Optional. The disk size in GB used for node VMs. Minimum size is 20GB. If unspecified, defaults to 100GB. Cannot be updated. This field is supported for Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*.
+      "enableIpMasqAgent": True or False, # Optional. Deploys 'ip-masq-agent' daemon set in the GKE cluster and defines nonMasqueradeCIDRs equals to pod IP range so IP masquerading is used for all destination addresses, except between pods traffic. See: https://cloud.google.com/kubernetes-engine/docs/how-to/ip-masquerade-agent
       "ipAllocationPolicy": { # Configuration for controlling how IPs are allocated in the GKE cluster. # Optional. The IPAllocationPolicy fields for the GKE cluster.
         "clusterIpv4CidrBlock": "A String", # Optional. The IP address range used to allocate IP addresses to pods in the cluster. This field is applicable only when `use_ip_aliases` is true. For Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*, this field is applicable only when `use_ip_aliases` is true. Set to blank to have GKE choose a range with the default size. Set to /netmask (e.g. `/14`) to have GKE choose a range with a specific netmask. Set to a [CIDR](http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing) notation (e.g. `10.96.0.0/14`) from the RFC-1918 private networks (e.g. `10.0.0.0/8`, `172.16.0.0/12`, `192.168.0.0/16`) to pick a specific range to use. Specify `cluster_secondary_range_name` or `cluster_ipv4_cidr_block` but not both.
         "clusterSecondaryRangeName": "A String", # Optional. The name of the cluster's secondary range used to allocate IP addresses to pods. Specify either `cluster_secondary_range_name` or `cluster_ipv4_cidr_block` but not both. This field is applicable only when `use_ip_aliases` is true. For Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*, this field is applicable only when `use_ip_aliases` is true.
@@ -390,6 +393,7 @@
       "cloudComposerNetworkIpv4ReservedRange": "A String", # Output only. The IP range reserved for the tenant project's Cloud Composer network. This field is supported for Cloud Composer environments in versions composer-2.*.*-airflow-*.*.* and newer.
       "cloudSqlIpv4CidrBlock": "A String", # Optional. The CIDR block from which IP range in tenant project will be reserved for Cloud SQL. Needs to be disjoint from web_server_ipv4_cidr_block
       "enablePrivateEnvironment": True or False, # Optional. If `true`, a Private IP Cloud Composer environment is created. If this field is set to true, `IPAllocationPolicy.use_ip_aliases` must be set to true for Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*.
+      "enablePrivatelyUsedPublicIps": True or False, # Optional. When enabled, IPs from public (non-RFC1918) ranges can be used for `IPAllocationPolicy.cluster_ipv4_cidr_block` and `IPAllocationPolicy.service_ipv4_cidr_block`.
       "privateClusterConfig": { # Configuration options for the private GKE cluster in a Cloud Composer environment. # Optional. Configuration for the private GKE cluster for a Private IP Cloud Composer environment.
         "enablePrivateEndpoint": True or False, # Optional. If `true`, access to the public endpoint of the GKE cluster is denied.
         "masterIpv4CidrBlock": "A String", # Optional. The CIDR block from which IPv4 range for GKE master will be reserved. If left blank, the default value of '172.16.0.0/23' is used.
@@ -492,6 +496,7 @@
         },
         "nodeConfig": { # The configuration information for the Kubernetes Engine nodes running the Apache Airflow software. # The configuration used for the Kubernetes Engine cluster.
           "diskSizeGb": 42, # Optional. The disk size in GB used for node VMs. Minimum size is 20GB. If unspecified, defaults to 100GB. Cannot be updated. This field is supported for Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*.
+          "enableIpMasqAgent": True or False, # Optional. Deploys 'ip-masq-agent' daemon set in the GKE cluster and defines nonMasqueradeCIDRs equals to pod IP range so IP masquerading is used for all destination addresses, except between pods traffic. See: https://cloud.google.com/kubernetes-engine/docs/how-to/ip-masquerade-agent
           "ipAllocationPolicy": { # Configuration for controlling how IPs are allocated in the GKE cluster. # Optional. The IPAllocationPolicy fields for the GKE cluster.
             "clusterIpv4CidrBlock": "A String", # Optional. The IP address range used to allocate IP addresses to pods in the cluster. This field is applicable only when `use_ip_aliases` is true. For Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*, this field is applicable only when `use_ip_aliases` is true. Set to blank to have GKE choose a range with the default size. Set to /netmask (e.g. `/14`) to have GKE choose a range with a specific netmask. Set to a [CIDR](http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing) notation (e.g. `10.96.0.0/14`) from the RFC-1918 private networks (e.g. `10.0.0.0/8`, `172.16.0.0/12`, `192.168.0.0/16`) to pick a specific range to use. Specify `cluster_secondary_range_name` or `cluster_ipv4_cidr_block` but not both.
             "clusterSecondaryRangeName": "A String", # Optional. The name of the cluster's secondary range used to allocate IP addresses to pods. Specify either `cluster_secondary_range_name` or `cluster_ipv4_cidr_block` but not both. This field is applicable only when `use_ip_aliases` is true. For Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*, this field is applicable only when `use_ip_aliases` is true.
@@ -518,6 +523,7 @@
           "cloudComposerNetworkIpv4ReservedRange": "A String", # Output only. The IP range reserved for the tenant project's Cloud Composer network. This field is supported for Cloud Composer environments in versions composer-2.*.*-airflow-*.*.* and newer.
           "cloudSqlIpv4CidrBlock": "A String", # Optional. The CIDR block from which IP range in tenant project will be reserved for Cloud SQL. Needs to be disjoint from web_server_ipv4_cidr_block
           "enablePrivateEnvironment": True or False, # Optional. If `true`, a Private IP Cloud Composer environment is created. If this field is set to true, `IPAllocationPolicy.use_ip_aliases` must be set to true for Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*.
+          "enablePrivatelyUsedPublicIps": True or False, # Optional. When enabled, IPs from public (non-RFC1918) ranges can be used for `IPAllocationPolicy.cluster_ipv4_cidr_block` and `IPAllocationPolicy.service_ipv4_cidr_block`.
           "privateClusterConfig": { # Configuration options for the private GKE cluster in a Cloud Composer environment. # Optional. Configuration for the private GKE cluster for a Private IP Cloud Composer environment.
             "enablePrivateEndpoint": True or False, # Optional. If `true`, access to the public endpoint of the GKE cluster is denied.
             "masterIpv4CidrBlock": "A String", # Optional. The CIDR block from which IPv4 range for GKE master will be reserved. If left blank, the default value of '172.16.0.0/23' is used.
@@ -628,6 +634,7 @@
     },
     "nodeConfig": { # The configuration information for the Kubernetes Engine nodes running the Apache Airflow software. # The configuration used for the Kubernetes Engine cluster.
       "diskSizeGb": 42, # Optional. The disk size in GB used for node VMs. Minimum size is 20GB. If unspecified, defaults to 100GB. Cannot be updated. This field is supported for Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*.
+      "enableIpMasqAgent": True or False, # Optional. Deploys 'ip-masq-agent' daemon set in the GKE cluster and defines nonMasqueradeCIDRs equals to pod IP range so IP masquerading is used for all destination addresses, except between pods traffic. See: https://cloud.google.com/kubernetes-engine/docs/how-to/ip-masquerade-agent
       "ipAllocationPolicy": { # Configuration for controlling how IPs are allocated in the GKE cluster. # Optional. The IPAllocationPolicy fields for the GKE cluster.
         "clusterIpv4CidrBlock": "A String", # Optional. The IP address range used to allocate IP addresses to pods in the cluster. This field is applicable only when `use_ip_aliases` is true. For Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*, this field is applicable only when `use_ip_aliases` is true. Set to blank to have GKE choose a range with the default size. Set to /netmask (e.g. `/14`) to have GKE choose a range with a specific netmask. Set to a [CIDR](http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing) notation (e.g. `10.96.0.0/14`) from the RFC-1918 private networks (e.g. `10.0.0.0/8`, `172.16.0.0/12`, `192.168.0.0/16`) to pick a specific range to use. Specify `cluster_secondary_range_name` or `cluster_ipv4_cidr_block` but not both.
         "clusterSecondaryRangeName": "A String", # Optional. The name of the cluster's secondary range used to allocate IP addresses to pods. Specify either `cluster_secondary_range_name` or `cluster_ipv4_cidr_block` but not both. This field is applicable only when `use_ip_aliases` is true. For Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*, this field is applicable only when `use_ip_aliases` is true.
@@ -654,6 +661,7 @@
       "cloudComposerNetworkIpv4ReservedRange": "A String", # Output only. The IP range reserved for the tenant project's Cloud Composer network. This field is supported for Cloud Composer environments in versions composer-2.*.*-airflow-*.*.* and newer.
       "cloudSqlIpv4CidrBlock": "A String", # Optional. The CIDR block from which IP range in tenant project will be reserved for Cloud SQL. Needs to be disjoint from web_server_ipv4_cidr_block
       "enablePrivateEnvironment": True or False, # Optional. If `true`, a Private IP Cloud Composer environment is created. If this field is set to true, `IPAllocationPolicy.use_ip_aliases` must be set to true for Cloud Composer environments in versions composer-1.*.*-airflow-*.*.*.
+      "enablePrivatelyUsedPublicIps": True or False, # Optional. When enabled, IPs from public (non-RFC1918) ranges can be used for `IPAllocationPolicy.cluster_ipv4_cidr_block` and `IPAllocationPolicy.service_ipv4_cidr_block`.
       "privateClusterConfig": { # Configuration options for the private GKE cluster in a Cloud Composer environment. # Optional. Configuration for the private GKE cluster for a Private IP Cloud Composer environment.
         "enablePrivateEndpoint": True or False, # Optional. If `true`, access to the public endpoint of the GKE cluster is denied.
         "masterIpv4CidrBlock": "A String", # Optional. The CIDR block from which IPv4 range for GKE master will be reserved. If left blank, the default value of '172.16.0.0/23' is used.