Upgrade to ruff 0.9

[alifbe]

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 95.83333% with 1 line in your changes missing coverage. Please review.

Project coverage is 85.15%. Comparing base (e2f1947) to head (fcfc226).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
src/subscript/casegen_upcars/model.py	80.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #767   +/-   ##
=======================================
  Coverage   85.15%   85.15%           
=======================================
  Files          52       52           
  Lines        7418     7418           
=======================================
  Hits         6317     6317           
  Misses       1101     1101           

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