Move populate test data to compile scope

[RustedBones]

• Leverage compile scope in integration project to populate test data and remove hack in GHA
• Update comment helper in test with good command
• Split PopulateTestData for jdbc

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (e135ed2) 63.41% compared to head (39fbcb5) 63.41%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #5138   +/-   ##
=======================================
  Coverage   63.41%   63.41%           
=======================================
  Files         291      291           
  Lines       10828    10828           
  Branches      737      737           
=======================================
  Hits         6867     6867           
  Misses       3961     3961           

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[clairemcginty]

nice 🙏 this is much cleaner!