[infra] Version validation in prepare release workflow

[CodeBlanch]

Changes

• Adds a regex to validate the version passed to the prepare release workflow before kicking off the process

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 86.19%. Comparing base (6250307) to head (194374c).
Report is 273 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5723      +/-   ##
==========================================
+ Coverage   83.38%   86.19%   +2.81%     
==========================================
  Files         297      254      -43     
  Lines       12531    11057    -1474     
==========================================
- Hits        10449     9531     -918     
+ Misses       2082     1526     -556     

Flag	Coverage Δ
unittests	?
unittests-Project-Experimental	86.14% <ø> (?)
unittests-Project-Stable	85.91% <ø> (?)
unittests-Solution	86.18% <ø> (?)
unittests-UnstableCoreLibraries-Experimental	85.86% <ø> (?)

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see 197 files with indirect coverage changes