Change cmd keyword from validator to validate

[jmthomas]

The validator is the thing you set but the command reads better as validate true / false I think. This also adds the keyword to the script api.

[sonarqubecloud]

Quality Gate failed

Failed conditions
B Maintainability Rating on New Code (required ≥ A)

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.03%. Comparing base (ebc6cbf) to head (26976e1).
Report is 16 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1574   +/-   ##
=======================================
  Coverage   77.03%   77.03%           
=======================================
  Files         613      613           
  Lines       46046    46051    +5     
  Branches      802      802           
=======================================
+ Hits        35471    35477    +6     
+ Misses      10487    10486    -1     
  Partials       88       88           

Flag	Coverage Δ
frontend	55.67% <ø> (-0.04%)	⬇️
python	84.63% <ø> (+0.03%)	⬆️
ruby-api	49.01% <ø> (ø)
ruby-backend	82.82% <100.00%> (ø)

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