Fix ruff pre-commit config

[Neraste]

Fix miss-configuration of ruff pre-commit, resulting in non-Python files being checked.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.23%. Comparing base (019abcb) to head (930cd04).
Report is 2 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop      #54      +/-   ##
===========================================
- Coverage    99.42%   99.23%   -0.20%     
===========================================
  Files           10       10              
  Lines          525      525              
===========================================
- Hits           522      521       -1     
- Misses           3        4       +1     

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