Add ruff

[inyutin]

Those are going to be replaced with ruff

[codecov]

Codecov Report

Attention: Patch coverage is 80.43478% with 9 lines in your changes missing coverage. Please review.

Project coverage is 92.82%. Comparing base (ba21698) to head (c844af0).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
aiohttp_retry/client.py	75.00%	8 Missing ⚠️
aiohttp_retry/retry_options.py	91.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #99      +/-   ##
==========================================
- Coverage   96.06%   92.82%   -3.25%     
==========================================
  Files           4        4              
  Lines         229      237       +8     
==========================================
  Hits          220      220              
- Misses          9       17       +8     

Flag	Coverage Δ
pytest	92.82% <80.43%> (-3.25%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
aiohttp_retry/__init__.py	100.00% <100.00%> (ø)
aiohttp_retry/retry_options.py	95.71% <91.66%> (+0.06%)	⬆️
aiohttp_retry/client.py	93.78% <75.00%> (-4.92%)	⬇️

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