Drop Python 3.10; add Python 3.13 to CI

[LOCEANlloydizard]

• remove Python 3.10 from test matrix
• add Python 3.13 to test matrix

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 69.27%. Comparing base (c9d4bd9) to head (c72ec06).
⚠️ Report is 17 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #245   +/-   ##
=======================================
  Coverage   69.27%   69.27%           
=======================================
  Files          11       11           
  Lines         690      690           
=======================================
  Hits          478      478           
  Misses        212      212           

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