Update pre-commits and pytest configuration

[lang-m]

• pre-commit: use ruff and ruff formatting to replace black, isort, flake8
• pre-commit: remove hard-coded Python version
• tests: convert all warnings to errors

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.82%. Comparing base (538b906) to head (b51faae). Report is 3 commits behind head on master.

:exclamation: Current head b51faae differs from pull request most recent head bd6a0e0

Please upload reports for the commit bd6a0e0 to get more accurate results.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #87 +/- ## ======================================= Coverage 99.82% 99.82% ======================================= Files 30 30 Lines 573 585 +12 ======================================= + Hits 572 584 +12 Misses 1 1 ```

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