Document test execution and parametrization #2306

Job	Run time
Run linters	1m 17s
ubuntu - Python 3.9	1m 30s
ubuntu - Python 3.10	59s
ubuntu - Python 3.11	50s
ubuntu - Python 3.13	1m 6s
ubuntu - Python 3.12	1m 1s
windows - Python 3.9	2m 17s
windows - Python 3.10	1m 33s
windows - Python 3.11	1m 43s
windows - Python 3.12	1m 52s
windows - Python 3.13	1m 46s
Lint GitHub Actions / 🔐 Analyze repo with zizmor 🌈	27s
ubuntu - Python 3.14-dev	1m 8s
windows - Python 3.14-dev	2m 16s
Check	16s
Publish packages to test.pypi.org	17s
Create GitHub release	1m 7s
Publish packages to pypi.org	0s
	21m 25s

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