Change linter to Ruff

[Schamper]

Closes #10

[codecov]

Codecov Report

Attention: Patch coverage is 80.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 88.09%. Comparing base (f93add9) to head (839ad6d).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
dissect/jffs/jffs2.py	77.77%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #11      +/-   ##
==========================================
- Coverage   88.75%   88.09%   -0.66%     
==========================================
  Files           4        4              
  Lines         249      252       +3     
==========================================
+ Hits          221      222       +1     
- Misses         28       30       +2     

Flag	Coverage Δ
unittests	88.09% <80.00%> (-0.66%)	⬇️

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