chore: Update discovery artifacts (#1325)

## Deleted keys were detected in the following stable discovery artifacts:
apigeev1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/9106808da3e03faa4c27913358e0c07edd82ff5a)

## Discovery Artifact Change Summary:
apigeev1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/9106808da3e03faa4c27913358e0c07edd82ff5a)
dataflowv1b3[ [More details]](https://github.com/googleapis/google-api-python-client/commit/9dd646184e70a83831f3347fc01a3eb0090ca0e8)
dialogflowv2[ [More details]](https://github.com/googleapis/google-api-python-client/commit/a7f2e96e6b283771e986d9ec7f1f057ff67e2a29)
dialogflowv2beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/a7f2e96e6b283771e986d9ec7f1f057ff67e2a29)
dialogflowv3[ [More details]](https://github.com/googleapis/google-api-python-client/commit/a7f2e96e6b283771e986d9ec7f1f057ff67e2a29)
documentaiv1beta3[ [More details]](https://github.com/googleapis/google-api-python-client/commit/ee1318d36230ff4b7393ce1f15d6a9ee71d23cea)
healthcarev1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/1204c1d486e08630773812ff1cc35843d98eb1d8)

feat(apigee): update the api
feat(dataflow): update the api
feat(dialogflow): update the api
feat(documentai): update the api
feat(healthcare): update the api

diff --git a/docs/dyn/composer_v1beta1.projects.locations.environments.html b/docs/dyn/composer_v1beta1.projects.locations.environments.html
index 3f6a47b..c518b0b 100644
--- a/docs/dyn/composer_v1beta1.projects.locations.environments.html
+++ b/docs/dyn/composer_v1beta1.projects.locations.environments.html
@@ -120,7 +120,7 @@
     "databaseConfig": { # The configuration of Cloud SQL instance that is used by the Apache Airflow software. # Optional. The configuration settings for Cloud SQL instance used internally by Apache Airflow software.
       "machineType": "A String", # Optional. Cloud SQL machine type used by Airflow database. It has to be one of: db-n1-standard-2, db-n1-standard-4, db-n1-standard-8 or db-n1-standard-16. If not specified, db-n1-standard-2 will be used.
     },
-    "encryptionConfig": { # The encryption options for the Cloud Composer environment and its dependencies. # Optional. The encryption options for the Cloud Composer environment and its dependencies. Cannot be updated.
+    "encryptionConfig": { # The encryption options for the Composer environment and its dependencies. # Optional. The encryption options for the Composer environment and its dependencies. Cannot be updated.
       "kmsKeyName": "A String", # Optional. Customer-managed Encryption Key available through Google's Key Management Service. Cannot be updated. If not specified, Google-managed key will be used.
     },
     "gkeCluster": "A String", # Output only. The Kubernetes Engine cluster used to run this environment.
@@ -145,7 +145,7 @@
       "oauthScopes": [ # Optional. The set of Google API scopes to be made available on all node VMs. If `oauth_scopes` is empty, defaults to ["https://www.googleapis.com/auth/cloud-platform"]. Cannot be updated.
         "A String",
       ],
-      "serviceAccount": "A String", # Optional. The Google Cloud Platform Service Account to be used by the workloads. If a service account is not specified, the "default" Compute Engine service account is used. Cannot be updated .
+      "serviceAccount": "A String", # Optional. The Google Cloud Platform Service Account to be used by the node VMs. If a service account is not specified, the "default" Compute Engine service account is used. Cannot be updated.
       "subnetwork": "A String", # Optional. The Compute Engine subnetwork to be used for machine communications, specified as a [relative resource name](/apis/design/resource_names#relative_resource_name). For example: "projects/{projectId}/regions/{regionId}/subnetworks/{subnetworkId}" If a subnetwork is provided, `nodeConfig.network` must also be provided, and the subnetwork must belong to the enclosing environment's project and location.
       "tags": [ # Optional. The list of instance tags applied to all node VMs. Tags are used to identify valid sources or targets for network firewalls. Each tag within the list must comply with [RFC1035](https://www.ietf.org/rfc/rfc1035.txt). Cannot be updated.
         "A String",
@@ -154,7 +154,7 @@
     "nodeCount": 42, # The number of nodes in the Kubernetes Engine cluster that will be used to run this environment.
     "privateEnvironmentConfig": { # The configuration information for configuring a Private IP Cloud Composer environment. # The configuration used for the Private IP Cloud Composer environment.
       "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 .
+      "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.
       "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.
@@ -283,7 +283,7 @@
     "databaseConfig": { # The configuration of Cloud SQL instance that is used by the Apache Airflow software. # Optional. The configuration settings for Cloud SQL instance used internally by Apache Airflow software.
       "machineType": "A String", # Optional. Cloud SQL machine type used by Airflow database. It has to be one of: db-n1-standard-2, db-n1-standard-4, db-n1-standard-8 or db-n1-standard-16. If not specified, db-n1-standard-2 will be used.
     },
-    "encryptionConfig": { # The encryption options for the Cloud Composer environment and its dependencies. # Optional. The encryption options for the Cloud Composer environment and its dependencies. Cannot be updated.
+    "encryptionConfig": { # The encryption options for the Composer environment and its dependencies. # Optional. The encryption options for the Composer environment and its dependencies. Cannot be updated.
       "kmsKeyName": "A String", # Optional. Customer-managed Encryption Key available through Google's Key Management Service. Cannot be updated. If not specified, Google-managed key will be used.
     },
     "gkeCluster": "A String", # Output only. The Kubernetes Engine cluster used to run this environment.
@@ -308,7 +308,7 @@
       "oauthScopes": [ # Optional. The set of Google API scopes to be made available on all node VMs. If `oauth_scopes` is empty, defaults to ["https://www.googleapis.com/auth/cloud-platform"]. Cannot be updated.
         "A String",
       ],
-      "serviceAccount": "A String", # Optional. The Google Cloud Platform Service Account to be used by the workloads. If a service account is not specified, the "default" Compute Engine service account is used. Cannot be updated .
+      "serviceAccount": "A String", # Optional. The Google Cloud Platform Service Account to be used by the node VMs. If a service account is not specified, the "default" Compute Engine service account is used. Cannot be updated.
       "subnetwork": "A String", # Optional. The Compute Engine subnetwork to be used for machine communications, specified as a [relative resource name](/apis/design/resource_names#relative_resource_name). For example: "projects/{projectId}/regions/{regionId}/subnetworks/{subnetworkId}" If a subnetwork is provided, `nodeConfig.network` must also be provided, and the subnetwork must belong to the enclosing environment's project and location.
       "tags": [ # Optional. The list of instance tags applied to all node VMs. Tags are used to identify valid sources or targets for network firewalls. Each tag within the list must comply with [RFC1035](https://www.ietf.org/rfc/rfc1035.txt). Cannot be updated.
         "A String",
@@ -317,7 +317,7 @@
     "nodeCount": 42, # The number of nodes in the Kubernetes Engine cluster that will be used to run this environment.
     "privateEnvironmentConfig": { # The configuration information for configuring a Private IP Cloud Composer environment. # The configuration used for the Private IP Cloud Composer environment.
       "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 .
+      "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.
       "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.
@@ -387,7 +387,7 @@
         "databaseConfig": { # The configuration of Cloud SQL instance that is used by the Apache Airflow software. # Optional. The configuration settings for Cloud SQL instance used internally by Apache Airflow software.
           "machineType": "A String", # Optional. Cloud SQL machine type used by Airflow database. It has to be one of: db-n1-standard-2, db-n1-standard-4, db-n1-standard-8 or db-n1-standard-16. If not specified, db-n1-standard-2 will be used.
         },
-        "encryptionConfig": { # The encryption options for the Cloud Composer environment and its dependencies. # Optional. The encryption options for the Cloud Composer environment and its dependencies. Cannot be updated.
+        "encryptionConfig": { # The encryption options for the Composer environment and its dependencies. # Optional. The encryption options for the Composer environment and its dependencies. Cannot be updated.
           "kmsKeyName": "A String", # Optional. Customer-managed Encryption Key available through Google's Key Management Service. Cannot be updated. If not specified, Google-managed key will be used.
         },
         "gkeCluster": "A String", # Output only. The Kubernetes Engine cluster used to run this environment.
@@ -412,7 +412,7 @@
           "oauthScopes": [ # Optional. The set of Google API scopes to be made available on all node VMs. If `oauth_scopes` is empty, defaults to ["https://www.googleapis.com/auth/cloud-platform"]. Cannot be updated.
             "A String",
           ],
-          "serviceAccount": "A String", # Optional. The Google Cloud Platform Service Account to be used by the workloads. If a service account is not specified, the "default" Compute Engine service account is used. Cannot be updated .
+          "serviceAccount": "A String", # Optional. The Google Cloud Platform Service Account to be used by the node VMs. If a service account is not specified, the "default" Compute Engine service account is used. Cannot be updated.
           "subnetwork": "A String", # Optional. The Compute Engine subnetwork to be used for machine communications, specified as a [relative resource name](/apis/design/resource_names#relative_resource_name). For example: "projects/{projectId}/regions/{regionId}/subnetworks/{subnetworkId}" If a subnetwork is provided, `nodeConfig.network` must also be provided, and the subnetwork must belong to the enclosing environment's project and location.
           "tags": [ # Optional. The list of instance tags applied to all node VMs. Tags are used to identify valid sources or targets for network firewalls. Each tag within the list must comply with [RFC1035](https://www.ietf.org/rfc/rfc1035.txt). Cannot be updated.
             "A String",
@@ -421,7 +421,7 @@
         "nodeCount": 42, # The number of nodes in the Kubernetes Engine cluster that will be used to run this environment.
         "privateEnvironmentConfig": { # The configuration information for configuring a Private IP Cloud Composer environment. # The configuration used for the Private IP Cloud Composer environment.
           "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 .
+          "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.
           "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.
@@ -499,7 +499,7 @@
     "databaseConfig": { # The configuration of Cloud SQL instance that is used by the Apache Airflow software. # Optional. The configuration settings for Cloud SQL instance used internally by Apache Airflow software.
       "machineType": "A String", # Optional. Cloud SQL machine type used by Airflow database. It has to be one of: db-n1-standard-2, db-n1-standard-4, db-n1-standard-8 or db-n1-standard-16. If not specified, db-n1-standard-2 will be used.
     },
-    "encryptionConfig": { # The encryption options for the Cloud Composer environment and its dependencies. # Optional. The encryption options for the Cloud Composer environment and its dependencies. Cannot be updated.
+    "encryptionConfig": { # The encryption options for the Composer environment and its dependencies. # Optional. The encryption options for the Composer environment and its dependencies. Cannot be updated.
       "kmsKeyName": "A String", # Optional. Customer-managed Encryption Key available through Google's Key Management Service. Cannot be updated. If not specified, Google-managed key will be used.
     },
     "gkeCluster": "A String", # Output only. The Kubernetes Engine cluster used to run this environment.
@@ -524,7 +524,7 @@
       "oauthScopes": [ # Optional. The set of Google API scopes to be made available on all node VMs. If `oauth_scopes` is empty, defaults to ["https://www.googleapis.com/auth/cloud-platform"]. Cannot be updated.
         "A String",
       ],
-      "serviceAccount": "A String", # Optional. The Google Cloud Platform Service Account to be used by the workloads. If a service account is not specified, the "default" Compute Engine service account is used. Cannot be updated .
+      "serviceAccount": "A String", # Optional. The Google Cloud Platform Service Account to be used by the node VMs. If a service account is not specified, the "default" Compute Engine service account is used. Cannot be updated.
       "subnetwork": "A String", # Optional. The Compute Engine subnetwork to be used for machine communications, specified as a [relative resource name](/apis/design/resource_names#relative_resource_name). For example: "projects/{projectId}/regions/{regionId}/subnetworks/{subnetworkId}" If a subnetwork is provided, `nodeConfig.network` must also be provided, and the subnetwork must belong to the enclosing environment's project and location.
       "tags": [ # Optional. The list of instance tags applied to all node VMs. Tags are used to identify valid sources or targets for network firewalls. Each tag within the list must comply with [RFC1035](https://www.ietf.org/rfc/rfc1035.txt). Cannot be updated.
         "A String",
@@ -533,7 +533,7 @@
     "nodeCount": 42, # The number of nodes in the Kubernetes Engine cluster that will be used to run this environment.
     "privateEnvironmentConfig": { # The configuration information for configuring a Private IP Cloud Composer environment. # The configuration used for the Private IP Cloud Composer environment.
       "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 .
+      "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.
       "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.