chore: Update discovery artifacts (#1269)

* chore(accessapproval): update the api
* chore(accesscontextmanager): update the api
* chore(apigateway): update the api
* chore(area120tables): update the api
* chore(bigquerydatatransfer): update the api
* chore(billingbudgets): update the api
* chore(calendar): update the api
* chore(chat): update the api
* chore(cloudbilling): update the api
* chore(cloudfunctions): update the api
* chore(cloudkms): update the api
* chore(cloudprofiler): update the api
* chore(cloudscheduler): update the api
* chore(cloudshell): update the api
* chore(cloudtasks): update the api
* chore(composer): update the api
* chore(datalabeling): update the api
* chore(datamigration): update the api
* chore(deploymentmanager): update the api
* chore(dlp): update the api
* chore(doubleclickbidmanager): update the api
* chore(drive): update the api
* chore(driveactivity): update the api
* chore(eventarc): update the api
* chore(fcm): update the api
* chore(firebaseml): update the api
* chore(firestore): update the api
* chore(gameservices): update the api
* chore(genomics): update the api
* chore(groupsmigration): update the api
* chore(iam): update the api
* chore(language): update the api
* chore(libraryagent): update the api
* chore(lifesciences): update the api
* chore(logging): update the api
* chore(monitoring): update the api
* chore(policytroubleshooter): update the api
* chore(recommendationengine): update the api
* chore(recommender): update the api
* chore(redis): update the api
* chore(runtimeconfig): update the api
* chore(script): update the api
* chore(serviceconsumermanagement): update the api
* chore(servicedirectory): update the api
* chore(servicenetworking): update the api
* chore(serviceusage): update the api
* chore(sheets): update the api
* chore(texttospeech): update the api
* chore(toolresults): update the api
* chore(transcoder): update the api
* chore(translate): update the api
* chore(vision): update the api
* chore(workflows): update the api

Co-authored-by: Yoshi Automation <yoshi-automation@google.com>
Co-authored-by: Anthonios Partheniou <partheniou@google.com>
diff --git a/docs/dyn/dialogflow_v3beta1.projects.locations.agents.html b/docs/dyn/dialogflow_v3beta1.projects.locations.agents.html
index 72a0c9e..6a47cae 100644
--- a/docs/dyn/dialogflow_v3beta1.projects.locations.agents.html
+++ b/docs/dyn/dialogflow_v3beta1.projects.locations.agents.html
@@ -446,6 +446,7 @@
 { # The request message for Agents.RestoreAgent.
   &quot;agentContent&quot;: &quot;A String&quot;, # Uncompressed raw byte content for agent.
   &quot;agentUri&quot;: &quot;A String&quot;, # The [Google Cloud Storage](https://cloud.google.com/storage/docs/) URI to restore agent from. The format of this URI must be `gs:///`.
+  &quot;restoreOption&quot;: &quot;A String&quot;, # Agent restore mode. If not specified, `KEEP` is assumed.
 }
 
   x__xgafv: string, V1 error format.