chore: update pre-commit hooks

[pre-commit-ci]

updates:

• github.com/pre-commit/mirrors-mypy: v1.19.1 → v1.20.0

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 91.17%. Comparing base (f9c9463) to head (21a7724).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #302      +/-   ##
==========================================
- Coverage   91.23%   91.17%   -0.07%     
==========================================
  Files         113      113              
  Lines        6198     6198              
==========================================
- Hits         5655     5651       -4     
- Misses        543      547       +4     

Flag	Coverage Δ
unittests	91.17% <ø> (-0.07%)	⬇️

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