Automate Operator certification

[ciarams87]

Proposed changes

Problem: The operator certification is currently a manual process.

Solution:

• Add steps in the NGF release pipeline to automatically certify the UBI images on release
• Add an Operator Bundle PR workflow which should be ran after the NGF release pipeline that generates the operator bundle and opens PRs into this repo and into the RedHat certified-operators repo
• Update the release process documentation
• Update the release docs PR to update the Operator files
• Add a check to ensure the operator RBAC is kept in sync with the Helm RBAC

Testing: TBD

TODO: Add required secrets to the repo

Closes #4273

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.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.09%. Comparing base (2220dbf) to head (babe503).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4288      +/-   ##
==========================================
+ Coverage   86.05%   86.09%   +0.04%     
==========================================
  Files         132      132              
  Lines       14342    14342              
  Branches       35       35              
==========================================
+ Hits        12342    12348       +6     
+ Misses       1794     1791       -3     
+ Partials      206      203       -3     

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[sjberman]

Can the root of the directory be used? This relative path seems flimsy.

[sjberman]

If there are steps in here that we need to perform before releasing, we should link to it in the release process doc if we don't already.

[sjberman]

Should this RBAC file be the exact same as what is in our helm chart? Can we just directly compare them, instead of this complex script of comparing each field?