CompatHelper: bump compat for ColorTypes in [extras] to 0.12, (keep existing compat)

[github-actions]

This pull request changes the compat entry for the ColorTypes package from 0.11 to 0.11, 0.12.
This keeps the compat entries for earlier versions.

Note: I have not tested your package with this new compat entry.
It is your responsibility to make sure that your package tests pass before you merge this pull request.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 86.96%. Comparing base (e71bcbb) to head (09402b7).
⚠️ Report is 15 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1152      +/-   ##
==========================================
+ Coverage   86.91%   86.96%   +0.05%     
==========================================
  Files          55       58       +3     
  Lines        5341     5341              
==========================================
+ Hits         4642     4645       +3     
+ Misses        699      696       -3     

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