Update black to v26.3.1 (#297) #696

Job	Run time
Build distribution packages	21s
Test with nox (ubuntu-24.04-arm, 3.11, ci_checks_max)	1m 10s
Test with nox (ubuntu-24.04, 3.12, pytest_min)	28s
Test with nox (ubuntu-24.04-arm, 3.11, pytest_min)	43s
Test with nox (ubuntu-24.04, 3.11, pytest_min)	33s
Test with nox (ubuntu-24.04, 3.11, ci_checks_max)	58s
Test with nox (ubuntu-24.04-arm, 3.12, ci_checks_max)	1m 12s
Test documentation website generation	0s
Test with nox (ubuntu-24.04, 3.12, ci_checks_max)	1m 9s
Test with nox (ubuntu-24.04-arm, 3.12, pytest_min)	38s
Test package installation (ubuntu-24.04, 3.11)	12s
Test package installation (ubuntu-24.04, 3.12)	14s
Test package installation (ubuntu-24.04-arm, 3.12)	22s
Test package installation (ubuntu-24.04-arm, 3.11)	26s
Test package installation	3s
Test with nox	2s
Publish documentation website to GitHub pages	36s
Create GitHub release	0s
Publish packages to PyPI	-20s
	8m 47s

Provide feedback