csi: update RBACs needed for csi-omap-generator sidecar

[iPraveenParihar]

Describe what this PR does

ceph/ceph-csi#4750 added a new controller that watches for the
VolumeGroupReplicationContent CR and regenerates the OMAP data.
This change needs RBACs for VolumeGroupReplicationContent and
VolumeGroupReplicationClass CR.

This commit updates the same for the rbd-ctrlplugin-cr
ClusterRole.

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• Kubernetes links that explain why the change is required
• Ceph-CSI spec related changes/catch-up that necessitates this patch
• golang related practices that necessitates this change

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Fixes: #issue_number

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Checklist:

• Commit Message Formatting: Commit titles and messages follow guidelines in the developer guide.
• Reviewed the developer guide on Submitting a Pull Request
• Pending release notes updated with breaking and/or notable changes for the next major release.
• Documentation has been updated, if necessary.
• Unit tests have been added, if necessary.
• Integration tests have been added, if necessary.