Test Python 3.13 in CI

[rmartin16]

• Dependent on https://github.com/python/cpython/issues/112903

[codecov[bot]]

Codecov Report

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

Comparison is base (18d2c9e) 100.00% compared to head (a686151) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #349 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 14 14 Lines 1980 1980 Branches 361 361 ========================================= Hits 1980 1980 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.