Harmonization of ruff configuration

[twiggler]

In the global ruff config for the monorepo we have

[lint.per-file-ignores]
"**tests/**" = ["S101", "PLC0415"]

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 0.00%. Comparing base (0e27409) to head (b133135).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #147   +/-   ##
=====================================
  Coverage   0.00%   0.00%           
=====================================
  Files         21      21           
  Lines       2435    2435           
=====================================
  Misses      2435    2435           

Flag	Coverage Δ
unittests	0.00% <ø> (ø)

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[codspeed]

Merging this PR will not alter performance

✅ 12 untouched benchmarks

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_{Comparing ruff-config-harmonization (b133135) with main (0e27409)}