CI: check indentation

[mildsunrise]

No description provided.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.86%. Comparing base (d1a9b27) to head (dfe4fef).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #11   +/-   ##
=======================================
  Coverage   75.86%   75.86%           
=======================================
  Files           3        3           
  Lines        1268     1268           
  Branches      211      211           
=======================================
  Hits          962      962           
  Misses        231      231           
  Partials       75       75           

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