Bump versions and switch to uv

[cbouy]

• Bump minimum version for python to 3.9 (and rdkit in test pipeline)
• Use uv for installing pip dependencies

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 85.09317% with 24 lines in your changes missing coverage. Please review.

Project coverage is 94.43%. Comparing base (b5e117b) to head (c3ef854).

Files	Patch %	Lines
prolif/plotting/complex3d.py	78.48%	17 Missing :warning:
prolif/plotting/network.py	83.78%	6 Missing :warning:
prolif/plotting/barcode.py	75.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #207 +/- ## ========================================== - Coverage 95.24% 94.43% -0.82% ========================================== Files 20 20 Lines 1409 1473 +64 ========================================== + Hits 1342 1391 +49 - Misses 67 82 +15 ```

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