chore: Update discovery artifacts (#1317)
## Discovery Artifact Change Summary:
contentv2[ [More details]](https://github.com/googleapis/google-api-python-client/commit/85dcfe41b40f6827345fadfcccfc78f31a872e4a)
contentv21[ [More details]](https://github.com/googleapis/google-api-python-client/commit/85dcfe41b40f6827345fadfcccfc78f31a872e4a)
dnsv1beta2[ [More details]](https://github.com/googleapis/google-api-python-client/commit/5dfd888f6af29ce3bd1589683cc22255acf971c5)
realtimebiddingv1alpha[ [More details]](https://github.com/googleapis/google-api-python-client/commit/26dc108c295c1d1ab93ee13bc70f4802c4d60d2d)
serviceconsumermanagementv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/736e39a686d43af2c49e3442066ec2cb78642792)
serviceconsumermanagementv1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/736e39a686d43af2c49e3442066ec2cb78642792)
servicemanagementv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/d34c2fed6e96f74b355a22c8a0fd2f0bf73898ec)
servicenetworkingv1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/67d9d5d8392b86cb004dc340884227a42b2ff06f)
servicenetworkingv1beta[ [More details]](https://github.com/googleapis/google-api-python-client/commit/67d9d5d8392b86cb004dc340884227a42b2ff06f)
serviceusagev1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/833c6db32348fc0c6e483710a0de4d5048c3fbae)
serviceusagev1beta1[ [More details]](https://github.com/googleapis/google-api-python-client/commit/833c6db32348fc0c6e483710a0de4d5048c3fbae)
diff --git a/docs/dyn/dns_v1beta2.projects.html b/docs/dyn/dns_v1beta2.projects.html
index 30fe583..6eaf3d1 100644
--- a/docs/dyn/dns_v1beta2.projects.html
+++ b/docs/dyn/dns_v1beta2.projects.html
@@ -112,8 +112,10 @@
"number": "A String", # Unique numeric identifier for the resource; defined by the server (output only).
"quota": { # Limits associated with a Project. # Quotas assigned to this project (output only).
"dnsKeysPerManagedZone": 42, # Maximum allowed number of DnsKeys per ManagedZone.
+ "gkeClustersPerManagedZone": 42, # Maximum allowed number of GKE clusters to which a privately scoped zone can be attached.
"kind": "dns#quota",
"managedZones": 42, # Maximum allowed number of managed zones in the project.
+ "managedZonesPerGkeCluster": 42, # Maximum allowed number of managed zones which can be attached to a GKE cluster.
"managedZonesPerNetwork": 42, # Maximum allowed number of managed zones which can be attached to a network.
"networksPerManagedZone": 42, # Maximum allowed number of networks to which a privately scoped zone can be attached.
"networksPerPolicy": 42, # Maximum allowed number of networks per policy.