feat (kubernetes-client-api) : Add support for `v1.APIVersions` in KubernetesClient

[rohanKanojia]

Description

Fix #6066

:construction: Requires #6088 to be merged first

Add DSL entrypoint getAPIVersions() in Client interface

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [X] Feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change
• [ ] Chore (non-breaking change which doesn't affect codebase; test, version modification, documentation, etc.)

Checklist

• [X] Code contributed by me aligns with current project license: Apache 2.0
• [X] I Added CHANGELOG entry regarding this change
• [X] I have implemented unit tests to cover my changes
• [X] I have added/updated the javadocs and other documentation accordingly
• [ ] No new bugs, code smells, etc. in SonarCloud report
• [ ] I tested my code in Kubernetes
• [ ] I tested my code in OpenShift