Add support for Kubernetes 1.33

Clemens Beckrequested to merge
cb-k8s-133 into master

What does this MR do?

Add support for Kubernetes 1.33

  • Add GKE 1.33 CI testing.
  • Drop GKE 1.30 testing.
  • Move vcluster testing from 1.32 to 1.33.
  • EKS testing remains on 1.32, because EKS 1.33 is not released yet.
  • DRY kubeconform specs.

Changelog: changed

Related issues

Author checklist

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Required

For anything in this list which will not be completed, please provide a reason in the MR discussion.

  • Merge Request Title and Description are up to date, accurate, and descriptive.
  • MR targeting the appropriate branch.
  • MR has a green pipeline.
  • Documentation created/updated.
  • Tests added/updated, and test plan for scenarios not covered by automated tests.
  • Equivalent MR/issue for omnibus-gitlab opened.

Reviewers checklist

Edited by Jason Plum

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