Add Python 3.13 to CI test matrix #308

Job	Run time
Build distribution packages	18s
Test with nox (amd64, ubuntu-24.04, 3.11, ci_checks_max)	1m 31s
Test with nox (amd64, ubuntu-24.04, 3.13, ci_checks_max)	1m 36s
Test with nox (arm, ubuntu-24.04, 3.12, ci_checks_max)	1m 37s
Test with nox (amd64, ubuntu-24.04, 3.12, ci_checks_max)	1m 37s
Test with nox (amd64, ubuntu-24.04, 3.11, pytest_min)	1m 7s
Test with nox (amd64, ubuntu-24.04, 3.13, pytest_min)	1m 6s
Test with nox (arm, ubuntu-24.04, 3.11, pytest_min)	1m 22s
Test with nox (arm, ubuntu-24.04, 3.13, pytest_min)	1m 27s
Test with nox (arm, ubuntu-24.04, 3.13, ci_checks_max)	1m 39s
Test with nox (arm, ubuntu-24.04, 3.11, ci_checks_max)	1m 42s
Test with nox (arm, ubuntu-24.04, 3.12, pytest_min)	1m 11s
Test with nox (amd64, ubuntu-24.04, 3.12, pytest_min)	1m 8s
Test documentation website generation	-1s
Test package installation (arm, ubuntu-24.04, 3.11)	25s
Test package installation (amd64, ubuntu-24.04, 3.13)	22s
Test package installation (arm, ubuntu-24.04, 3.13)	29s
Test package installation (amd64, ubuntu-24.04, 3.12)	17s
Test package installation (arm, ubuntu-24.04, 3.12)	28s
Test package installation (amd64, ubuntu-24.04, 3.11)	20s
Test package installation	4s
Test with nox	2s
Publish documentation website to GitHub pages	29s
Create GitHub release	0s
Publish packages to PyPI	-1s
	20m 15s

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