[gitlab] add support for multiarch images in redhat

[celenechang]

What does this PR do?

• Update publish redhat jobs to use public-images tool
• Consolidate preflight checks into one. This now supports a multiarch image, so we will run the check/submit together with the pushed Redhat image after it's been pushed.
• Update CSV labels to indicate arch support

Motivation

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Additional Notes

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Minimum Agent Versions

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• Agent: vX.Y.Z
• Cluster Agent: vX.Y.Z

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Checklist

• PR has at least one valid label: bug, enhancement, refactoring, documentation, tooling, and/or dependencies
• PR has a milestone or the qa/skip-qa label

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.34%. Comparing base (d0935d7) to head (d9be8a3).
Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1252      +/-   ##
==========================================
+ Coverage   55.32%   55.34%   +0.01%     
==========================================
  Files         241      241              
  Lines       27889    27919      +30     
==========================================
+ Hits        15430    15451      +21     
- Misses      11587    11595       +8     
- Partials      872      873       +1     

Flag	Coverage Δ
unittests	55.34% <ø> (+0.01%)	⬆️

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see 2 files with indirect coverage changes

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