Noisy Ruff Rules + MultiCronTimetable fixes

[fritz-astronomer]

• fix: remove noisy ruff rules
• fix: revert incorrect multicron path

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 12.84404% with 95 lines in your changes missing coverage. Please review.

Project coverage is 77.40%. Comparing base (b3ee237) to head (d4de0fb).
Report is 11 commits behind head on main.

Files with missing lines	Patch %	Lines
.../timetables/multi_cron/multi_cron_timetable_src.py	0.00%	90 Missing ⚠️
...bles/multi_cron/multi_cron_timetable_plugin_src.py	0.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #37      +/-   ##
==========================================
- Coverage   78.92%   77.40%   -1.53%     
==========================================
  Files          35       37       +2     
  Lines        1362     1540     +178     
==========================================
+ Hits         1075     1192     +117     
- Misses        287      348      +61     

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