Bump black from 25.9.0 to 26.3.1 (#150) #295

Job	Run time
Build distribution packages	20s
Test with nox (ubuntu-24.04, 3.12, ci_checks_max)	1m 0s
Test with nox (ubuntu-24.04-arm, 3.12, ci_checks_max)	1m 0s
Test with nox (ubuntu-24.04, 3.12, pytest_min)	41s
Test with nox (ubuntu-24.04-arm, 3.11, ci_checks_max)	57s
Test with nox (ubuntu-24.04-arm, 3.11, pytest_min)	49s
Test with nox (ubuntu-24.04, 3.11, ci_checks_max)	56s
Test with nox (ubuntu-24.04, 3.11, pytest_min)	36s
Test with nox (ubuntu-24.04-arm, 3.12, pytest_min)	47s
Test documentation website generation	0s
Test package installation (ubuntu-24.04-arm, 3.12)	19s
Test package installation (ubuntu-24.04-arm, 3.11)	25s
Test package installation (ubuntu-24.04, 3.12)	14s
Test package installation (ubuntu-24.04, 3.11)	9s
Test package installation	4s
Test with nox	4s
Publish documentation website to GitHub pages	30s
Create GitHub release	0s
Publish packages to PyPI	0s
	8m 51s

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