chore: Update discovery artifacts (#1299)

* chore: update docs/dyn/index.md
* chore(acceleratedmobilepageurl): update the api
* chore(accessapproval): update the api
* chore(accesscontextmanager): update the api
* chore(adexchangebuyer): update the api
* chore(adexchangebuyer2): update the api
* feat(admin): update the api
* feat(admob): update the api
* feat(analyticsadmin): update the api
* chore(analyticsdata): update the api
* chore(androiddeviceprovisioning): update the api
* chore(androidmanagement): update the api
* chore(androidpublisher): update the api
* chore(apigee): update the api
* feat(area120tables): update the api
* chore(assuredworkloads): update the api
* fix(bigquery): update the api
* chore(bigqueryconnection): update the api
* chore(bigquerydatatransfer): update the api
* chore(bigqueryreservation): update the api
* chore(bigtableadmin): update the api
* chore(billingbudgets): update the api
* chore(binaryauthorization): update the api
* chore(blogger): update the api
* chore(books): update the api
* chore(calendar): update the api
* chore(chat): update the api
* chore(chromemanagement): update the api
* chore(chromepolicy): update the api
* chore(chromeuxreport): update the api
* chore(classroom): update the api
* chore(cloudasset): update the api
* chore(cloudbuild): update the api
* chore(cloudchannel): update the api
* chore(clouddebugger): update the api
* chore(clouderrorreporting): update the api
* feat(cloudfunctions): update the api
* chore(cloudiot): update the api
* chore(cloudkms): update the api
* feat(cloudsearch): update the api
* chore(cloudshell): update the api
* chore(cloudtrace): update the api
* chore(composer): update the api
* feat(container): update the api
* feat(containeranalysis): update the api
* chore(content): update the api
* chore(customsearch): update the api
* chore(datacatalog): update the api
* feat(dataflow): update the api
* chore(datalabeling): update the api
* chore(datamigration): update the api
* chore(deploymentmanager): update the api
* feat(dialogflow): update the api
* chore(digitalassetlinks): update the api
* chore(displayvideo): update the api
* chore(dlp): update the api
* chore(dns): update the api
* chore(docs): update the api
* feat(documentai): update the api
* chore(domains): update the api
* chore(domainsrdap): update the api
* chore(doubleclickbidmanager): update the api
* chore(doubleclicksearch): update the api
* chore(drive): update the api
* chore(driveactivity): update the api
* chore(eventarc): update the api
* chore(factchecktools): update the api
* chore(fcm): update the api
* feat(file): update the api
* chore(firebase): update the api
* chore(firebasedatabase): update the api
* chore(firebasedynamiclinks): update the api
* chore(firebasehosting): update the api
* chore(firebaseml): update the api
* chore(fitness): update the api
* chore(games): update the api
* chore(gamesConfiguration): update the api
* chore(gamesManagement): update the api
* chore(gameservices): update the api
* feat(genomics): update the api
* chore(gkehub): update the api
* chore(gmail): update the api
* chore(gmailpostmastertools): update the api
* chore(groupsmigration): update the api
* chore(groupssettings): update the api
* chore(healthcare): update the api
* chore(homegraph): update the api
* chore(iam): update the api
* chore(iamcredentials): update the api
* chore(iap): update the api
* chore(indexing): update the api
* chore(jobs): update the api
* chore(language): update the api
* chore(libraryagent): update the api
* chore(licensing): update the api
* chore(lifesciences): update the api
* chore(localservices): update the api
* chore(logging): update the api
* chore(manufacturers): update the api
* chore(memcache): update the api
* chore(metastore): update the api
* chore(ml): update the api
* chore(monitoring): update the api
* chore(mybusinessaccountmanagement): update the api
* chore(mybusinesslodging): update the api
* feat(networkmanagement): update the api
* chore(notebooks): update the api
* feat(ondemandscanning): update the api
* chore(orgpolicy): update the api
* feat(osconfig): update the api
* chore(oslogin): update the api
* chore(pagespeedonline): update the api
* feat(people): update the api
* chore(playablelocations): update the api
* chore(playcustomapp): update the api
* chore(policysimulator): update the api
* chore(policytroubleshooter): update the api
* chore(prod_tt_sasportal): update the api
* chore(pubsub): update the api
* chore(realtimebidding): update the api
* chore(recommendationengine): update the api
* chore(recommender): update the api
* chore(redis): update the api
* chore(remotebuildexecution): update the api
* chore(reseller): update the api
* chore(retail): update the api
* chore(run): update the api
* chore(runtimeconfig): update the api
* chore(safebrowsing): update the api
* chore(sasportal): update the api
* chore(script): update the api
* chore(searchconsole): update the api
* chore(securitycenter): update the api
* chore(serviceconsumermanagement): update the api
* chore(servicecontrol): update the api
* chore(servicenetworking): update the api
* fix(serviceusage): update the api
* chore(sheets): update the api
* chore(slides): update the api
* chore(smartdevicemanagement): update the api
* chore(spanner): update the api
* chore(speech): update the api
* chore(storage): update the api
* chore(storagetransfer): update the api
* chore(streetviewpublish): update the api
* chore(sts): update the api
* chore(tagmanager): update the api
* chore(tasks): update the api
* chore(testing): update the api
* chore(toolresults): update the api
* chore(tpu): update the api
* chore(trafficdirector): update the api
* chore(transcoder): update the api
* chore(translate): update the api
* chore(vault): update the api
* chore(vectortile): update the api
* chore(vision): update the api
* chore(webrisk): update the api
* feat(websecurityscanner): update the api
* chore(workflowexecutions): update the api
* chore(workflows): update the api
* chore(youtube): update the api
* chore(youtubeAnalytics): update the api
* chore(youtubereporting): update the api
* chore(docs): Add new discovery artifacts and reference documents
diff --git a/docs/dyn/cloudsearch_v1.debug.datasources.items.html b/docs/dyn/cloudsearch_v1.debug.datasources.items.html
index d78747d..a3828bb 100644
--- a/docs/dyn/cloudsearch_v1.debug.datasources.items.html
+++ b/docs/dyn/cloudsearch_v1.debug.datasources.items.html
@@ -207,6 +207,14 @@
       "metadata": { # Available metadata fields for the item. # Metadata information.
         "containerName": "A String", # The name of the container for this item. Deletion of the container item leads to automatic deletion of this item. Note: ACLs are not inherited from a container item. To provide ACL inheritance for an item, use the inheritAclFrom field. The maximum length is 1536 characters.
         "contentLanguage": "A String", # The BCP-47 language code for the item, such as "en-US" or "sr-Latn". For more information, see http://www.unicode.org/reports/tr35/#Unicode_locale_identifier. The maximum length is 32 characters.
+        "contextAttributes": [ # A set of named attributes associated with the item. This can be used for influencing the ranking of the item based on the context in the request. The maximum number of elements is 10.
+          { # A named attribute associated with an item which can be used for influencing the ranking of the item based on the context in the request.
+            "name": "A String", # The name of the attribute. It should not be empty. The maximum length is 32 characters. The name must start with a letter and can only contain letters (A-Z, a-z) or numbers (0-9). The name will be normalized (lower-cased) before being matched.
+            "values": [ # Text values of the attribute. The maximum number of elements is 10. The maximum length of an element in the array is 32 characters. The value will be normalized (lower-cased) before being matched.
+              "A String",
+            ],
+          },
+        ],
         "createTime": "A String", # The time when the item was created in the source repository.
         "hash": "A String", # Hashing value provided by the API caller. This can be used with the items.push method to calculate modified state. The maximum length is 2048 characters.
         "interactions": [ # A list of interactions for the item. Interactions are used to improve Search quality, but are not exposed to end users. The maximum number of elements is 1000.