chore: prepare 2.2.4 release

[lodyai]

Summary

• bump the package version and document the 2.2.4 release
• update pre-commit hook versions and modernize formatting
• resolve typing issues exposed by the updated checks

Verification

• prek run -a
• pdm run pytest -q

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.72%. Comparing base (3cedbf3) to head (fb4c770).

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #276   +/-   ##
=======================================
  Coverage   95.72%   95.72%           
=======================================
  Files          21       21           
  Lines        2317     2317           
  Branches      337      337           
=======================================
  Hits         2218     2218           
  Misses         47       47           
  Partials       52       52           

Flag	Coverage Δ
unittests	95.72% <100.00%> (ø)

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