feat: A new field dns_endpoint is added to message `.google.cloud.d…

…eploy.v1.GkeCluster` (#7856)

* docs: documentation improvements. `skaffold_version` field is no longer explicitly marked as optional
PiperOrigin-RevId: 700082600
Source-Link: googleapis/googleapis@7406997
Source-Link: googleapis/googleapis-gen@9a6b503
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* feat: A new field `dns_endpoint` is added to message `.google.cloud.deploy.v1.GkeCluster`
docs: A comment for field `internal_ip` in message `.google.cloud.deploy.v1.GkeCluster` is changed
docs: A comment for field `skaffold_version` in message `.google.cloud.deploy.v1.Release` is changed
docs: A comment for field `requested_cancellation` in message `.google.cloud.deploy.v1.OperationMetadata` is changed
PiperOrigin-RevId: 702047981
Source-Link: googleapis/googleapis@99a5e29
Source-Link: googleapis/googleapis-gen@2fdcaaf
Copy-Tag: eyJwIjoiRGVwbG95Ly5Pd2xCb3QueWFtbCIsImgiOiIyZmRjYWFmZTVlMWViZDZmZTE5MjFjYmI1M2Y0MTQyNzA4NjQ2MmRmIn0=