🚸 Small library improvements

[burgholzer]

Description

This PR contains a couple of assorted library improvements including touch ups on the CMake config, the mypy configuration, and the pre-commit hooks.

Checklist:

• The pull request only contains commits that are related to it.
• I have added appropriate tests and documentation.
• I have made sure that all CI jobs on GitHub pass.
• The pull request introduces no new warnings and follows the project's style guidelines.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 92.3%. Comparing base (fc07083) to head (46eff60).
Report is 59 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##            main    #430     +/-   ##
=======================================
- Coverage   92.5%   92.3%   -0.2%     
=======================================
  Files         37      37             
  Lines       2721    2720      -1     
  Branches     305     304      -1     
=======================================
- Hits        2517    2512      -5     
- Misses       204     208      +4     

Flag	Coverage Δ
cpp	94.1% <ø> (-0.3%)	⬇️
python	87.4% <ø> (ø)

see 2 files with indirect coverage changes