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/adexchangebuyer2_v2beta1.accounts.finalizedProposals.html b/docs/dyn/adexchangebuyer2_v2beta1.accounts.finalizedProposals.html
index d44a1a2..6cf114d 100644
--- a/docs/dyn/adexchangebuyer2_v2beta1.accounts.finalizedProposals.html
+++ b/docs/dyn/adexchangebuyer2_v2beta1.accounts.finalizedProposals.html
@@ -133,12 +133,12 @@
       "deals": [ # The deals associated with this proposal. For Private Auction proposals (whose deals have NonGuaranteedAuctionTerms), there will only be one deal.
         { # A deal represents a segment of inventory for displaying ads on. A proposal can contain multiple deals. A deal contains the terms and targeting information that is used for serving.
           "availableEndTime": "A String", # Proposed flight end time of the deal. This will generally be stored in a granularity of a second. A value is not required for Private Auction deals or Preferred Deals.
-          "availableStartTime": "A String", # Optional proposed flight start time of the deal. This will generally be stored in the granularity of one second since deal serving starts at seconds boundary. Any time specified with more granularity (e.g., in milliseconds) will be truncated towards the start of time in seconds.
+          "availableStartTime": "A String", # Optional. Proposed flight start time of the deal. This will generally be stored in the granularity of one second since deal serving starts at seconds boundary. Any time specified with more granularity (e.g., in milliseconds) will be truncated towards the start of time in seconds.
           "buyerPrivateData": { # Buyers are allowed to store certain types of private data in a proposal/deal. # Buyer private data (hidden from seller).
             "referenceId": "A String", # A buyer or seller specified reference ID. This can be queried in the list operations (max-length: 1024 unicode code units).
           },
           "createProductId": "A String", # The product ID from which this deal was created. Note: This field may be set only when creating the resource. Modifying this field while updating the resource will result in an error.
-          "createProductRevision": "A String", # Optional revision number of the product that the deal was created from. If present on create, and the server `product_revision` has advanced sinced the passed-in `create_product_revision`, an `ABORTED` error will be returned. Note: This field may be set only when creating the resource. Modifying this field while updating the resource will result in an error.
+          "createProductRevision": "A String", # Optional. Revision number of the product that the deal was created from. If present on create, and the server `product_revision` has advanced since the passed-in `create_product_revision`, an `ABORTED` error will be returned. Note: This field may be set only when creating the resource. Modifying this field while updating the resource will result in an error.
           "createTime": "A String", # Output only. The time of the deal creation.
           "creativePreApprovalPolicy": "A String", # Output only. Specifies the creative pre-approval policy.
           "creativeRestrictions": { # Represents creative restrictions associated to Programmatic Guaranteed/ Preferred Deal in Ad Manager. This doesn't apply to Private Auction and AdX Preferred Deals. # Output only. Restricitions about the creatives associated with the deal (i.e., size) This is available for Programmatic Guaranteed/Preferred Deals in Ad Manager.
@@ -489,6 +489,7 @@
           "name": "A String", # The name of the contact.
         },
       ],
+      "termsAndConditions": "A String", # Output only. The terms and conditions set by the publisher for this proposal.
       "updateTime": "A String", # Output only. The time when the proposal was last revised.
     },
   ],