Publish Python 3.13 wheels

[gotmax23]

Hi, would it be possible to release Python 3.13 manylinux wheels to PyPI? Thanks!

[edgarrmondragon]

Python 3.13 was released today. Wheels do seem to be building fine on master (https://github.com/libgit2/pygit2/actions/runs/10476397919/job/29015192672), so it's hopefully just a matter of cutting a release for PyPI.