idea of using multi stage build instead of buildah

[joschi36]

Description

this should make it easier for local development and users without access to yum/dnf on their local system

GitHub Issues

List the GitHub issues impacted by this PR:

Slack Discussion

Checklist:

• [x] I have performed a self-review of my own code to ensure there are no formatting, vetting, linting, or security issues
• [x] I have verified that new and existing unit tests pass locally with my changes
• [x] I have not allowed coverage numbers to degenerate
• [x] I have maintained at least 90% code coverage
• [x] 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
• [x] Backward compatibility is not broken

[gallacher]

Hi @joschi36. Thank you for your contribution. The CSM maintainers will discuss the contribution from a more holistic standpoint to see if this approach is something we want to apply across all of CSM, not just for PowerScale. For now we will hold off on merging this PR.

[shanmydell]

@joschi36 : This doesnt align with our security policy, hence closing this PR