Add Python 3.13 to the test matrix

[teutoburg]

The Python version corresponding to Donald Duck's license plate will drop tomorrow 🚀

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (a36cb40) to head (ef219d7).
Report is 8 commits behind head on main.

Additional details and impacted files

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##              main       #35   +/-   ##
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  Coverage   100.00%   100.00%           
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  Files            2         2           
  Lines            7         7           
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  Hits             7         7           

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[hugobuddel]

Do we want to also add free-threaded Python to the CI? I believe this 3.13 will by with GIL. E.g. https://github.com/deadsnakes/action seems to be a way that we can already enable GILless right now

[teutoburg]

Aaand it's delayed by a week: https://blog.python.org/2024/10/python-3130-release-candidate-3-released.html

[hugobuddel]

Aaand it's delayed by a week: https://blog.python.org/2024/10/python-3130-release-candidate-3-released.html

They also say

We strongly encourage maintainers of Python projects to prepare their projects for 3.13 compatibilities during this phase, and where necessary publish Python 3.13 wheels on PyPI to be ready for the final release of 3.13.0.

So would be fine with me if we add the prerelease to matrix. Maybe we should have 'the next prerelease' in a test anyway so we don't have to suddenly solve bugs. But well it is also okay to stay behind.

[teutoburg]

Meh, Windoof no worky 🙄

[teutoburg]

Hmm, now 3.13 is finally out (and supported by the action) and yet it's still failing on Windows. Not sure what's going on...

[hugobuddel]

"Windows fatal exception access violation" according to Leonardo.AI