Update config

[hugovk]

Update config for coverage.py and pre-commit, and add some lint rules.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.51%. Comparing base (288a7a7) to head (72b4b83).
⚠️ Report is 11 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #262      +/-   ##
==========================================
- Coverage   99.51%   99.51%   -0.01%     
==========================================
  Files          11       11              
  Lines         820      818       -2     
==========================================
- Hits          816      814       -2     
  Misses          4        4              

Flag	Coverage Δ
macos-latest	97.79% <100.00%> (-0.01%)	⬇️
ubuntu-latest	97.79% <100.00%> (-0.01%)	⬇️
windows-latest	95.84% <100.00%> (-0.02%)	⬇️

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