Some final preparations #419

Job	Run time
Test with nox (ubuntu-20.04, 3.11, ci_checks_max)	1m 25s
Build distribution packages	18s
Test with nox (ubuntu-20.04, 3.11, pytest_min)	1m 6s
Cross-arch tests with nox	0s
Test documentation website generation	34s
Cross-arch tests with nox	0s
Test package installation in different architectures	3m 20s
Test with nox	1s
Publish documentation website to GitHub pages	0s
Create GitHub release	0s
Publish packages to PyPI	0s
	6m 44s

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