Update readmes and makefiles

[ciarams87]

Proposed changes

Update READMEs and Makefiles to provide instructions for running the conformance tests on OpenShift clusters, and easy targets for same

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• I have read the CONTRIBUTING doc
• I have added tests that prove my fix is effective or that my feature works
• I have checked that all unit tests pass after adding my changes
• I have updated necessary documentation
• I have rebased my branch onto main
• I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

Release notes

If this PR introduces a change that affects users and needs to be mentioned in the release notes,
please add a brief note that summarizes the change.

[salonichf5]

just had a few comments around documentation but overall looks good

[salonichf5]

few nits for formatting otherwise looks great

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.82%. Comparing base (9a4d4f7) to head (ff8f6d3).
⚠️ Report is 1 commits behind head on feat/openshift-support.

Additional details and impacted files

@@                    Coverage Diff                     @@
##           feat/openshift-support    #3989      +/-   ##
==========================================================
- Coverage                   86.83%   86.82%   -0.01%     
==========================================================
  Files                         128      128              
  Lines                       16607    16607              
  Branches                       62       62              
==========================================================
- Hits                        14420    14419       -1     
- Misses                       2005     2006       +1     
  Partials                      182      182              

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