Update Kubernetes plugin to work with current releases

[aufi]

Crane has transformation plugins concept, this allows provide patches for specific use-cases. Later, we might need update crane plugin system to support more powerful transformations including coverting between resource types and platform updates scenarios.

However for now, we need ensure defaut kubernetes plugin is up-to-date with our uses cases and current Kubernets and OpenShift 4 versions. Focusing only on resources cleanup, not update/changes scenarios.

Look on:
https://github.com/migtools/crane-lib/tree/main/transform/kubernetes
https://github.com/migtools/crane-plugin-openshift

And "orchestration" with:
https://github.com/migtools/crane/tree/main/cmd/plugin-manager
https://github.com/migtools/crane-plugins/tree/main

Identify&document gaps/leftovers etc. that need to be addressed and address those.

One small piece was migtools/crane-lib#137, but we need deeper check if plugins do their job right.

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[aufi]

After test-day, upstream kubernetes-only issue reported is about Jobs - #482 - going to work on it. Most of other related problems are tracked as OpenShift plugin changes.