rbd: add steps to enable librbd logs

[Nikhil-Ladha]

Describe what this PR does

Add steps to enable librbd logs in the csi-rbdplugin container

Related issues

Fixes: #5330

Checklist:

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