Add support for K8s v1.24

Scope

The scope of this issue is to add support for Kubernetes 1.24

Actions

• Cluster management project template: Nothing
• Auto DevOps: Update our helper image and its version in the test matrix:
  • Helper: gitlab-org/cluster-integration/test-utils/k3s-gitlab-ci!21 (merged)
  • auto-deploy-image: gitlab-org/cluster-integration/auto-deploy-image!281 (merged)
• Documentation: Update supported cluster versions - !91326 (merged)
• Secure: Secure K8s-related features are tested

References

• https://kubernetes.io/blog/2022/05/03/kubernetes-1-24-release-announcement/