Add Python support up to Python3 13

[tobiaslatour]

• Add support for Python 3.13
• Run CI with matrix of supported Python versions

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.34%. Comparing base (9ad9fbe) to head (9568239).
⚠️ Report is 9 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #21      +/-   ##
==========================================
+ Coverage   87.34%   88.34%   +0.99%     
==========================================
  Files          12       12              
  Lines        1233     1201      -32     
==========================================
- Hits         1077     1061      -16     
+ Misses        156      140      -16     

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