chore: Update discovery artifacts (#1516)

## Deleted keys were detected in the following stable discovery artifacts:
displayvideo v1 https://github.com/googleapis/google-api-python-client/commit/0ff4fae98fadd0e31eb09ff81656b87201d75d2b
file v1 https://github.com/googleapis/google-api-python-client/commit/ab13790877b89e112fd27b738462077c45408557

## Deleted keys were detected in the following pre-stable discovery artifacts:
compute alpha https://github.com/googleapis/google-api-python-client/commit/36050a3ad6fad1e5aec6c18085fbcad1564ceb1f
containeranalysis v1alpha1 https://github.com/googleapis/google-api-python-client/commit/e442b58fc9abfbbb37dc5b50cf17ba8dea508cba
file v1beta1 https://github.com/googleapis/google-api-python-client/commit/ab13790877b89e112fd27b738462077c45408557

## Discovery Artifact Change Summary:
fix(androidpublisher): update the api https://github.com/googleapis/google-api-python-client/commit/78ee7f700efa8d29a4a1ca3e23f1381c4d04c86a
feat(apigee): update the api https://github.com/googleapis/google-api-python-client/commit/59348e4809ff48906ffa356a0ecc867eb66376bd
feat(appengine): update the api https://github.com/googleapis/google-api-python-client/commit/a358ffd61a7671a7b3a90ccc329393feb80bc932
feat(bigquery): update the api https://github.com/googleapis/google-api-python-client/commit/fe54736e2583dd4f9efefa8fb5a6378741d6bf87
feat(cloudasset): update the api https://github.com/googleapis/google-api-python-client/commit/5b89c7b9eb3abee497fac27f2ba12208b257240f
feat(compute): update the api https://github.com/googleapis/google-api-python-client/commit/36050a3ad6fad1e5aec6c18085fbcad1564ceb1f
feat(contactcenterinsights): update the api https://github.com/googleapis/google-api-python-client/commit/c5bac63feeadd4cccc635d69af7e0f32a5df5bc3
feat(container): update the api https://github.com/googleapis/google-api-python-client/commit/3f4ac75311743c0b3e77647f3085374b5d898d01
feat(containeranalysis): update the api https://github.com/googleapis/google-api-python-client/commit/e442b58fc9abfbbb37dc5b50cf17ba8dea508cba
feat(displayvideo): update the api https://github.com/googleapis/google-api-python-client/commit/0ff4fae98fadd0e31eb09ff81656b87201d75d2b
feat(documentai): update the api https://github.com/googleapis/google-api-python-client/commit/4b0a7ed0cbef5031f7df162e8aa7629ba9073dc3
feat(file): update the api https://github.com/googleapis/google-api-python-client/commit/ab13790877b89e112fd27b738462077c45408557
feat(gkehub): update the api https://github.com/googleapis/google-api-python-client/commit/b168cc69436840e8c9a170863b13a4db253b9f5c
feat(iam): update the api https://github.com/googleapis/google-api-python-client/commit/88ebba5edbeb6dab547a6c57541f13dd13b95e23
feat(jobs): update the api https://github.com/googleapis/google-api-python-client/commit/eaffca049c02851d7c1b3a795d901e60616430df
feat(managedidentities): update the api https://github.com/googleapis/google-api-python-client/commit/ad3f2c91960b905126ae47c0777b27704aa02c64
feat(monitoring): update the api https://github.com/googleapis/google-api-python-client/commit/7317835fe784c723ed6e290ab3da515b68a25c5f
feat(prod_tt_sasportal): update the api https://github.com/googleapis/google-api-python-client/commit/ec0c06297952f922adfa6b4c265577846d2493d0
feat(recaptchaenterprise): update the api https://github.com/googleapis/google-api-python-client/commit/234d3f983a92fca973fcc42bf8e69e470f50fef5
feat(sqladmin): update the api https://github.com/googleapis/google-api-python-client/commit/f30d144526f01a5a69832166d4271b2288fdabad
diff --git a/docs/dyn/dialogflow_v3beta1.projects.locations.agents.environments.html b/docs/dyn/dialogflow_v3beta1.projects.locations.agents.environments.html
index a0d393c..3b30c6c 100644
--- a/docs/dyn/dialogflow_v3beta1.projects.locations.agents.environments.html
+++ b/docs/dyn/dialogflow_v3beta1.projects.locations.agents.environments.html
@@ -94,7 +94,7 @@
 <p class="firstline">Close httplib2 connections.</p>
 <p class="toc_element">
   <code><a href="#create">create(parent, body=None, x__xgafv=None)</a></code></p>
-<p class="firstline">Creates an Environment in the specified Agent.</p>
+<p class="firstline">Creates an Environment in the specified Agent. This method is a [long-running operation](https://cloud.google.com/dialogflow/cx/docs/how/long-running-operation). The returned `Operation` type has the following method-specific fields: - `metadata`: An empty [Struct message](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#struct) - `response`: Environment</p>
 <p class="toc_element">
   <code><a href="#delete">delete(name, x__xgafv=None)</a></code></p>
 <p class="firstline">Deletes the specified Environment.</p>
@@ -115,10 +115,10 @@
 <p class="firstline">Retrieves the next page of results.</p>
 <p class="toc_element">
   <code><a href="#patch">patch(name, body=None, updateMask=None, x__xgafv=None)</a></code></p>
-<p class="firstline">Updates the specified Environment.</p>
+<p class="firstline">Updates the specified Environment. This method is a [long-running operation](https://cloud.google.com/dialogflow/cx/docs/how/long-running-operation). The returned `Operation` type has the following method-specific fields: - `metadata`: An empty [Struct message](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#struct) - `response`: Environment</p>
 <p class="toc_element">
   <code><a href="#runContinuousTest">runContinuousTest(environment, body=None, x__xgafv=None)</a></code></p>
-<p class="firstline">Kicks off a continuous test under the specified Environment.</p>
+<p class="firstline">Kicks off a continuous test under the specified Environment. This method is a [long-running operation](https://cloud.google.com/dialogflow/cx/docs/how/long-running-operation). The returned `Operation` type has the following method-specific fields: - `metadata`: RunContinuousTestMetadata - `response`: RunContinuousTestResponse</p>
 <h3>Method Details</h3>
 <div class="method">
     <code class="details" id="close">close()</code>
@@ -127,7 +127,7 @@
 
 <div class="method">
     <code class="details" id="create">create(parent, body=None, x__xgafv=None)</code>
-  <pre>Creates an Environment in the specified Agent.
+  <pre>Creates an Environment in the specified Agent. This method is a [long-running operation](https://cloud.google.com/dialogflow/cx/docs/how/long-running-operation). The returned `Operation` type has the following method-specific fields: - `metadata`: An empty [Struct message](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#struct) - `response`: Environment
 
 Args:
   parent: string, Required. The Agent to create an Environment for. Format: `projects//locations//agents/`. (required)
@@ -318,7 +318,7 @@
 
 <div class="method">
     <code class="details" id="patch">patch(name, body=None, updateMask=None, x__xgafv=None)</code>
-  <pre>Updates the specified Environment.
+  <pre>Updates the specified Environment. This method is a [long-running operation](https://cloud.google.com/dialogflow/cx/docs/how/long-running-operation). The returned `Operation` type has the following method-specific fields: - `metadata`: An empty [Struct message](https://developers.google.com/protocol-buffers/docs/reference/google.protobuf#struct) - `response`: Environment
 
 Args:
   name: string, The name of the environment. Format: `projects//locations//agents//environments/`. (required)
@@ -369,7 +369,7 @@
 
 <div class="method">
     <code class="details" id="runContinuousTest">runContinuousTest(environment, body=None, x__xgafv=None)</code>
-  <pre>Kicks off a continuous test under the specified Environment.
+  <pre>Kicks off a continuous test under the specified Environment. This method is a [long-running operation](https://cloud.google.com/dialogflow/cx/docs/how/long-running-operation). The returned `Operation` type has the following method-specific fields: - `metadata`: RunContinuousTestMetadata - `response`: RunContinuousTestResponse
 
 Args:
   environment: string, Required. Format: `projects//locations//agents//environments/`. (required)