chore: Update discovery artifacts (#1291)

* chore: update docs/dyn/index.md
* chore(abusiveexperiencereport): update the api
* chore(acceleratedmobilepageurl): update the api
* chore(accessapproval): update the api
* chore(accesscontextmanager): update the api
* chore(adexchangebuyer2): update the api
* chore(adexperiencereport): update the api
* chore(admob): update the api
* chore(analytics): update the api
* chore(analyticsreporting): update the api
* chore(androiddeviceprovisioning): update the api
* chore(androidenterprise): update the api
* chore(androidpublisher): update the api
* chore(apigateway): update the api
* chore(artifactregistry): update the api
* chore(bigqueryconnection): update the api
* chore(bigquerydatatransfer): 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(chromeuxreport): update the api
* chore(civicinfo): update the api
* chore(classroom): update the api
* chore(cloudbilling): update the api
* chore(cloudbuild): update the api
* chore(clouddebugger): update the api
* chore(clouderrorreporting): update the api
* chore(cloudfunctions): update the api
* chore(cloudidentity): update the api
* chore(cloudiot): update the api
* chore(cloudkms): update the api
* chore(cloudprofiler): update the api
* chore(cloudresourcemanager): update the api
* chore(cloudscheduler): update the api
* chore(cloudshell): update the api
* chore(cloudtasks): update the api
* chore(cloudtrace): update the api
* chore(composer): update the api
* chore(containeranalysis): update the api
* chore(content): update the api
* chore(customsearch): update the api
* chore(datacatalog): update the api
* chore(datafusion): update the api
* chore(datamigration): update the api
* chore(datastore): update the api
* chore(deploymentmanager): 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
* 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
* chore(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(firebaserules): update the api
* chore(firestore): update the api
* chore(fitness): update the api
* chore(gamesConfiguration): update the api
* chore(gamesManagement): update the api
* chore(gameservices): update the api
* chore(genomics): 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(iam): update the api
* chore(iamcredentials): update the api
* chore(iap): update the api
* chore(identitytoolkit): update the api
* chore(indexing): update the api
* chore(jobs): update the api
* chore(kgsearch): update the api
* chore(language): update the api
* chore(libraryagent): update the api
* chore(licensing): update the api
* chore(lifesciences): update the api
* chore(logging): 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(networkmanagement): update the api
* chore(osconfig): update the api
* chore(pagespeedonline): update the api
* chore(playablelocations): update the api
* chore(playcustomapp): update the api
* chore(policytroubleshooter): update the api
* chore(poly): 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(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(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(secretmanager): update the api
* chore(servicecontrol): update the api
* chore(servicedirectory): update the api
* chore(siteVerification): update the api
* chore(slides): update the api
* chore(smartdevicemanagement): update the api
* chore(sourcerepo): update the api
* chore(sqladmin): 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(texttospeech): update the api
* chore(toolresults): 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(verifiedaccess): update the api
* chore(videointelligence): update the api
* chore(vision): update the api
* chore(webfonts): update the api
* chore(webmasters): update the api
* chore(websecurityscanner): update the api
* chore(workflowexecutions): update the api
* chore(workflows): 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/compute_v1.backendBuckets.html b/docs/dyn/compute_v1.backendBuckets.html
index 09f1447..c7f3865 100644
--- a/docs/dyn/compute_v1.backendBuckets.html
+++ b/docs/dyn/compute_v1.backendBuckets.html
@@ -388,6 +388,7 @@
         "ttl": 42, # The TTL (in seconds) for which to cache responses with the corresponding status code. The maximum allowed value is 1800s (30 minutes), noting that infrequently accessed objects may be evicted from the cache before the defined TTL.
       },
     ],
+    "requestCoalescing": True or False, # If true then Cloud CDN will combine multiple concurrent cache fill requests into a small number of requests to the origin.
     "serveWhileStale": 42, # Serve existing content from the cache (if available) when revalidating content with the origin, or when an error is encountered when refreshing the cache. This setting defines the default "max-stale" duration for any cached responses that do not specify a max-stale directive. Stale responses that exceed the TTL configured here will not be served. The default limit (max-stale) is 86400s (1 day), which will allow stale content to be served up to this limit beyond the max-age (or s-max-age) of a cached response. The maximum allowed value is 604800 (1 week). Set this to zero (0) to disable serve-while-stale.
     "signedUrlCacheMaxAgeSec": "A String", # Maximum number of seconds the response to a signed URL request will be considered fresh. After this time period, the response will be revalidated before being served. Defaults to 1hr (3600s). When serving responses to signed URL requests, Cloud CDN will internally behave as though all responses from this backend had a "Cache-Control: public, max-age=[TTL]" header, regardless of any existing Cache-Control header. The actual headers served in responses will not be altered.
     "signedUrlKeyNames": [ # [Output Only] Names of the keys for signing request URLs.
@@ -443,6 +444,7 @@
         "ttl": 42, # The TTL (in seconds) for which to cache responses with the corresponding status code. The maximum allowed value is 1800s (30 minutes), noting that infrequently accessed objects may be evicted from the cache before the defined TTL.
       },
     ],
+    "requestCoalescing": True or False, # If true then Cloud CDN will combine multiple concurrent cache fill requests into a small number of requests to the origin.
     "serveWhileStale": 42, # Serve existing content from the cache (if available) when revalidating content with the origin, or when an error is encountered when refreshing the cache. This setting defines the default "max-stale" duration for any cached responses that do not specify a max-stale directive. Stale responses that exceed the TTL configured here will not be served. The default limit (max-stale) is 86400s (1 day), which will allow stale content to be served up to this limit beyond the max-age (or s-max-age) of a cached response. The maximum allowed value is 604800 (1 week). Set this to zero (0) to disable serve-while-stale.
     "signedUrlCacheMaxAgeSec": "A String", # Maximum number of seconds the response to a signed URL request will be considered fresh. After this time period, the response will be revalidated before being served. Defaults to 1hr (3600s). When serving responses to signed URL requests, Cloud CDN will internally behave as though all responses from this backend had a "Cache-Control: public, max-age=[TTL]" header, regardless of any existing Cache-Control header. The actual headers served in responses will not be altered.
     "signedUrlKeyNames": [ # [Output Only] Names of the keys for signing request URLs.
@@ -586,6 +588,7 @@
             "ttl": 42, # The TTL (in seconds) for which to cache responses with the corresponding status code. The maximum allowed value is 1800s (30 minutes), noting that infrequently accessed objects may be evicted from the cache before the defined TTL.
           },
         ],
+        "requestCoalescing": True or False, # If true then Cloud CDN will combine multiple concurrent cache fill requests into a small number of requests to the origin.
         "serveWhileStale": 42, # Serve existing content from the cache (if available) when revalidating content with the origin, or when an error is encountered when refreshing the cache. This setting defines the default "max-stale" duration for any cached responses that do not specify a max-stale directive. Stale responses that exceed the TTL configured here will not be served. The default limit (max-stale) is 86400s (1 day), which will allow stale content to be served up to this limit beyond the max-age (or s-max-age) of a cached response. The maximum allowed value is 604800 (1 week). Set this to zero (0) to disable serve-while-stale.
         "signedUrlCacheMaxAgeSec": "A String", # Maximum number of seconds the response to a signed URL request will be considered fresh. After this time period, the response will be revalidated before being served. Defaults to 1hr (3600s). When serving responses to signed URL requests, Cloud CDN will internally behave as though all responses from this backend had a "Cache-Control: public, max-age=[TTL]" header, regardless of any existing Cache-Control header. The actual headers served in responses will not be altered.
         "signedUrlKeyNames": [ # [Output Only] Names of the keys for signing request URLs.
@@ -672,6 +675,7 @@
         "ttl": 42, # The TTL (in seconds) for which to cache responses with the corresponding status code. The maximum allowed value is 1800s (30 minutes), noting that infrequently accessed objects may be evicted from the cache before the defined TTL.
       },
     ],
+    "requestCoalescing": True or False, # If true then Cloud CDN will combine multiple concurrent cache fill requests into a small number of requests to the origin.
     "serveWhileStale": 42, # Serve existing content from the cache (if available) when revalidating content with the origin, or when an error is encountered when refreshing the cache. This setting defines the default "max-stale" duration for any cached responses that do not specify a max-stale directive. Stale responses that exceed the TTL configured here will not be served. The default limit (max-stale) is 86400s (1 day), which will allow stale content to be served up to this limit beyond the max-age (or s-max-age) of a cached response. The maximum allowed value is 604800 (1 week). Set this to zero (0) to disable serve-while-stale.
     "signedUrlCacheMaxAgeSec": "A String", # Maximum number of seconds the response to a signed URL request will be considered fresh. After this time period, the response will be revalidated before being served. Defaults to 1hr (3600s). When serving responses to signed URL requests, Cloud CDN will internally behave as though all responses from this backend had a "Cache-Control: public, max-age=[TTL]" header, regardless of any existing Cache-Control header. The actual headers served in responses will not be altered.
     "signedUrlKeyNames": [ # [Output Only] Names of the keys for signing request URLs.
@@ -797,6 +801,7 @@
         "ttl": 42, # The TTL (in seconds) for which to cache responses with the corresponding status code. The maximum allowed value is 1800s (30 minutes), noting that infrequently accessed objects may be evicted from the cache before the defined TTL.
       },
     ],
+    "requestCoalescing": True or False, # If true then Cloud CDN will combine multiple concurrent cache fill requests into a small number of requests to the origin.
     "serveWhileStale": 42, # Serve existing content from the cache (if available) when revalidating content with the origin, or when an error is encountered when refreshing the cache. This setting defines the default "max-stale" duration for any cached responses that do not specify a max-stale directive. Stale responses that exceed the TTL configured here will not be served. The default limit (max-stale) is 86400s (1 day), which will allow stale content to be served up to this limit beyond the max-age (or s-max-age) of a cached response. The maximum allowed value is 604800 (1 week). Set this to zero (0) to disable serve-while-stale.
     "signedUrlCacheMaxAgeSec": "A String", # Maximum number of seconds the response to a signed URL request will be considered fresh. After this time period, the response will be revalidated before being served. Defaults to 1hr (3600s). When serving responses to signed URL requests, Cloud CDN will internally behave as though all responses from this backend had a "Cache-Control: public, max-age=[TTL]" header, regardless of any existing Cache-Control header. The actual headers served in responses will not be altered.
     "signedUrlKeyNames": [ # [Output Only] Names of the keys for signing request URLs.