Enable ARH, PTH, RET and C4 linting rules

[henrikjacobsenfys]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 98.00000% with 1 line in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (develop@89a2274). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
src/easydynamics/utils/detailed_balance.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             develop     #142   +/-   ##
==========================================
  Coverage           ?   97.84%           
==========================================
  Files              ?       38           
  Lines              ?     2599           
  Branches           ?      449           
==========================================
  Hits               ?     2543           
  Misses             ?       32           
  Partials           ?       24           

Flag	Coverage Δ
integration	48.90% <52.00%> (?)
unittests	97.84% <98.00%> (?)

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