feat(google_container_cluster): support enable k8s beta apis

[modular-magician]

Fixes: #15174

This PR added support for enabling beta APIs for the google_container_cluster resource. This allows users to select which beta resources they wish to use. Once activated, they cannot be deactivated. See Configure beta APIs and corresponding REST API doc.

If this PR is for Terraform, I acknowledge that I have:

• Searched through the issue tracker for an open issue that this either resolves or contributes to, commented on it to claim it, and written "fixes {url}" or "part of {url}" in this PR description. If there were no relevant open issues, I opened one and commented that I would like to work on it (not necessary for very small changes).
• Ensured that all new fields I added that can be set by a user appear in at least one example (for generated resources) or third_party test (for handwritten resources or update tests).
• Generated Terraform providers, and ran make test and make lint in the generated providers to ensure it passes unit and linter tests.
• Ran relevant acceptance tests using my own Google Cloud project and credentials (If the acceptance tests do not yet pass or you are unable to run them, please let your reviewer know).
• Read Write release notes before writing my release note below.

Release Note Template for Downstream PRs (will be copied)

container: added `enable_k8s_beta_apis.enabled_apis` field to `google_container_cluster`

Derived from GoogleCloudPlatform/magic-modules#8355

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