chore: Update discovery artifacts (#1195)

* chore(accesscontextmanager): update the api
* chore(adexchangebuyer2): update the api
* chore(admin): update the api
* chore(alertcenter): update the api
* chore(analyticsadmin): update the api
* chore(analyticsdata): update the api
* chore(androidmanagement): update the api
* chore(apigateway): update the api
* chore(apigee): update the api
* chore(appengine): update the api
* chore(area120tables): update the api
* chore(artifactregistry): update the api
* chore(bigquery): update the api
* chore(bigqueryconnection): update the api
* chore(bigqueryreservation): update the api
* chore(billingbudgets): update the api
* chore(binaryauthorization): update the api
* chore(blogger): update the api
* chore(calendar): update the api
* chore(chat): update the api
* chore(cloudasset): update the api
* chore(cloudbuild): update the api
* chore(cloudfunctions): update the api
* chore(cloudidentity): update the api
* chore(cloudkms): update the api
* chore(cloudresourcemanager): update the api
* chore(cloudscheduler): update the api
* chore(cloudtasks): update the api
* chore(composer): update the api
* chore(compute): update the api
* chore(container): update the api
* chore(containeranalysis): update the api
* chore(content): update the api
* chore(datacatalog): update the api
* chore(dataflow): update the api
* chore(datafusion): update the api
* chore(datamigration): update the api
* chore(dataproc): update the api
* chore(deploymentmanager): update the api
* chore(dialogflow): update the api
* chore(displayvideo): update the api
* chore(dlp): update the api
* chore(dns): update the api
* chore(documentai): update the api
* chore(eventarc): update the api
* chore(file): update the api
* chore(firebaseml): update the api
* chore(games): update the api
* chore(gameservices): update the api
* chore(genomics): update the api
* chore(healthcare): update the api
* chore(homegraph): update the api
* chore(iam): update the api
* chore(iap): update the api
* chore(jobs): update the api
* chore(lifesciences): update the api
* chore(localservices): update the api
* chore(managedidentities): update the api
* chore(manufacturers): update the api
* chore(memcache): update the api
* chore(ml): update the api
* chore(monitoring): update the api
* chore(notebooks): update the api
* chore(osconfig): update the api
* chore(pagespeedonline): update the api
* chore(people): update the api
* chore(privateca): update the api
* chore(prod_tt_sasportal): update the api
* chore(pubsub): update the api
* chore(pubsublite): update the api
* chore(recommender): update the api
* chore(remotebuildexecution): update the api
* chore(reseller): update the api
* chore(run): update the api
* chore(safebrowsing): update the api
* chore(sasportal): update the api
* chore(searchconsole): update the api
* chore(secretmanager): update the api
* chore(securitycenter): update the api
* chore(serviceconsumermanagement): update the api
* chore(servicecontrol): update the api
* chore(servicenetworking): update the api
* chore(serviceusage): update the api
* chore(sheets): update the api
* chore(slides): update the api
* chore(spanner): update the api
* chore(speech): update the api
* chore(sqladmin): update the api
* chore(storage): update the api
* chore(storagetransfer): update the api
* chore(sts): update the api
* chore(tagmanager): update the api
* chore(testing): update the api
* chore(toolresults): update the api
* chore(transcoder): update the api
* chore(vectortile): update the api
* chore(videointelligence): update the api
* chore(vision): update the api
* chore(webmasters): update the api
* chore(workflowexecutions): update the api
* chore(youtube): update the api
diff --git a/docs/dyn/youtube_v3.liveChatMessages.html b/docs/dyn/youtube_v3.liveChatMessages.html
index 7c4316b..404506f 100644
--- a/docs/dyn/youtube_v3.liveChatMessages.html
+++ b/docs/dyn/youtube_v3.liveChatMessages.html
@@ -148,7 +148,7 @@
     "messageRetractedDetails": {
       "retractedMessageId": "A String",
     },
-    "publishedAt": "A String", # The date and time when the message was orignally published. The value is specified in ISO 8601 format.
+    "publishedAt": "A String", # The date and time when the message was orignally published.
     "superChatDetails": { # Details about the Super Chat event, this is only set if the type is 'superChatEvent'.
       "amountDisplayString": "A String", # A rendered string that displays the fund amount and currency to the user.
       "amountMicros": "A String", # The amount purchased by the user, in micros (1,750,000 micros = 1.75).
@@ -223,7 +223,7 @@
     "messageRetractedDetails": {
       "retractedMessageId": "A String",
     },
-    "publishedAt": "A String", # The date and time when the message was orignally published. The value is specified in ISO 8601 format.
+    "publishedAt": "A String", # The date and time when the message was orignally published.
     "superChatDetails": { # Details about the Super Chat event, this is only set if the type is 'superChatEvent'.
       "amountDisplayString": "A String", # A rendered string that displays the fund amount and currency to the user.
       "amountMicros": "A String", # The amount purchased by the user, in micros (1,750,000 micros = 1.75).
@@ -314,7 +314,7 @@
         "messageRetractedDetails": {
           "retractedMessageId": "A String",
         },
-        "publishedAt": "A String", # The date and time when the message was orignally published. The value is specified in ISO 8601 format.
+        "publishedAt": "A String", # The date and time when the message was orignally published.
         "superChatDetails": { # Details about the Super Chat event, this is only set if the type is 'superChatEvent'.
           "amountDisplayString": "A String", # A rendered string that displays the fund amount and currency to the user.
           "amountMicros": "A String", # The amount purchased by the user, in micros (1,750,000 micros = 1.75).
@@ -352,7 +352,7 @@
   ],
   "kind": "youtube#liveChatMessageListResponse", # Identifies what kind of resource this is. Value: the fixed string "youtube#liveChatMessageListResponse".
   "nextPageToken": "A String",
-  "offlineAt": "A String", # The date and time when the underlying stream went offline. The value is specified in ISO 8601 format.
+  "offlineAt": "A String", # The date and time when the underlying stream went offline.
   "pageInfo": { # Paging details for lists of resources, including total number of items available and number of resources returned in a single page. # General pagination information.
     "resultsPerPage": 42, # The number of results included in the API response.
     "totalResults": 42, # The total number of results in the result set.