Support for OCP 4.20 and Kubernetes 1.33

[leochr]

Support for Red Hat OpenShift Container Platform (OCP) 4.20.

• Update APIs and Operator SDK to compatible versions
• Run FVT on OpenShift 4.20
• Run FVT on Kubernetes 1.33 (Kind cluster)
• Run Airgap on OCP 4.20
• Doc updates

[leochr]

@halim-lee OCP 4.20 was released on Tuesday (Oct 21). It's not yet available on Fyre yet. But we can get started on API and Operator SDK updates (if any) and FVT on Kind cluster. Could you please look into them? Thank you.