[repo] Post-release workflow refactor

[CodeBlanch]

Changes

• Refactors the post-release powershell scripts into a module to reduce inline script and make it easier to debug locally

Merge requirement checklist

• CONTRIBUTING guidelines followed (license requirements, nullable enabled, static analysis, etc.)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 85.01%. Comparing base (6250307) to head (af16e98).
Report is 224 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5617      +/-   ##
==========================================
+ Coverage   83.38%   85.01%   +1.62%     
==========================================
  Files         297      254      -43     
  Lines       12531    10971    -1560     
==========================================
- Hits        10449     9327    -1122     
+ Misses       2082     1644     -438     

Flag	Coverage Δ
unittests	?
unittests-Solution-Experimental	85.26% <ø> (?)
unittests-Solution-Stable	85.45% <ø> (?)
unittests-Unstable-Core	19.84% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

see 123 files with indirect coverage changes