DM-54220: Add storage class and formatter for ColorImage.

[TallJimbo]

Checklist

• ran Jenkins
• added a release note for user-visible changes to doc/changes
• (if changing dimensions.yaml) make a copy of dimensions.yaml in configs/old_dimensions

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 89.53%. Comparing base (f0412b1) to head (8b9a15c).
⚠️ Report is 2 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1342   +/-   ##
=======================================
  Coverage   89.53%   89.53%           
=======================================
  Files         370      370           
  Lines       50250    50250           
  Branches     5876     5876           
=======================================
  Hits        44989    44989           
  Misses       3873     3873           
  Partials     1388     1388           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[natelust]

I am not sure I have a better name, but it is a shame that this could be confused with the afw Image objects