update pre-commit hooks

[2bndy5]

• switch from black to ruff for code formatting
• remove useless pylint-specific comments
• run updated pre-commit hooks on all files

Also adds a codecov config to allow CI checks to be more lenient.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 88.88889% with 2 lines in your changes missing coverage. Please review.

Project coverage is 86.68%. Comparing base (1f23cfc) to head (be514bc).

Files	Patch %	Lines
circuitpython_nrf24l01/rf24_mesh.py	0.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #58 +/- ## ========================================== - Coverage 86.73% 86.68% -0.05% ========================================== Files 16 16 Lines 2472 2463 -9 ========================================== - Hits 2144 2135 -9 Misses 328 328 ```

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