[ci] Display TODO errors in GitHub PR UI

[joshlf]

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This PR is on branch workflow-errors.

• [ci] Display TODO errors in GitHub PR UI #2513

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.89%. Comparing base (458f216) to head (0125106).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2513   +/-   ##
=======================================
  Coverage   88.89%   88.89%           
=======================================
  Files          20       20           
  Lines        5423     5423           
=======================================
  Hits         4821     4821           
  Misses        602      602           

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