chore: Pin the version of ruff used in the CI to 0.3.0

[croyzor]

No description provided.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.86%. Comparing base (e57ee8d) to head (0171ab4).

❗ Current head 0171ab4 differs from pull request most recent head 9930557. Consider uploading reports for the commit 9930557 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #167   +/-   ##
=======================================
  Coverage   90.86%   90.86%           
=======================================
  Files          32       32           
  Lines        4279     4279           
=======================================
  Hits         3888     3888           
  Misses        391      391           

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