Add support for migration.k8s.io/v1alpha1 resources in OpenShiftClient

[rohanKanojia]

Description

• Add new module openshift-model-storageversionmigrator/ for resources
  in OpenShift Kube Storage Version Migrator
• Add DSL entrypoint openShiftClient.kubeStorageVersionMigrator() with
  which you can access the following resources:
  • StorageState : openShiftClient.kubeStorageVersionMigrator().storageStates()
  • StorageVersionMigration : openShiftClient.kubeStorageVersionMigrator().storageVersionMigrations()

Related to #2949

Type of change

• Bug fix (non-breaking change which fixes an issue)
• 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

• Code contributed by me aligns with current project license: Apache 2.0
• I Added CHANGELOG entry regarding this change
• I have implemented unit tests to cover my changes
• 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

[sonarcloud]

SonarCloud Quality Gate failed.

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

16.7% Coverage
0.0% Duplication

[manusa]

LGTM, thx!