Use CSM common base image

[donatwork]

Description

Switch to the new CSM base image. The benefit is that it will now be possible to build images on non RHEL VMs and as a non root user.

GitHub Issues

List the GitHub issues impacted by this PR:

GitHub Issue #
dell/csm#1691

Checklist:

• I have performed a self-review of my own code to ensure there are no formatting, vetting, linting, or security issues
• I have verified that new and existing unit tests pass locally with my changes
• I have not allowed coverage numbers to degenerate
• I have maintained at least 90% code coverage
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I have maintained backward compatibility

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Please also list any relevant details for your test configuration

• Built image and tested by running cert-csi.

[donatwork]

Need to fix unit tests I guess.

[donatwork]

Reopening PR. Unit tests coverage increase is being handled by other teams.

[adarsh-dell]

UT is failing, JFYI.