Add support for GKE Addon StatefulHA

[modular-magician]

Add support for GKE Addon StatefulHA

This PR allows add-on stateful_ha_config to be provided on the GKE Standard cluster resource. This enables cluster creation and update to toggle this add-on.

• 3.1 the resource schema added in the PR matches the API structure.
• 4.1 all fields added/updated in the PR appear in at least one test.
• 4.2 all mutable fields are tested in at least one update test.
• 4.8 all related PR presubmit tests have been completed successfully
• 5.2 documentation is added manually for handwritten resources.
• 6 Check if release notes capture all changes in the PR, and are correctly formatted following the guidance in write release notes before merge the PR.

Release Note Template for Downstream PRs (will be copied)

container: added field `stateful_ha_config` for `resource_container_cluster`.

Derived from GoogleCloudPlatform/magic-modules#9481