CIs

MAINT: Switch to black #1140

Job	Run time
PyQt5 / ubuntu	2m 53s
pytest matrix / ubuntu / MNE main	6m 39s
PyQt6 / ubuntu	7m 4s
pytest matrix / ubuntu / MNE maint/1.4	7m 13s
PySide2 / ubuntu	3m 12s
pytest matrix / windows / MNE main	8m 0s
PySide6 / ubuntu	7m 25s
pytest matrix / windows / MNE maint/1.4	7m 15s
PySide6 / macos	13m 5s
pytest matrix / macos / MNE main	5m 9s
PySide6 / windows	11m 46s
pytest matrix / macos / MNE maint/1.4	5m 27s
pytest old 3.8 / ubuntu / MNE main	6m 39s
pytest no opengl / ubuntu / MNE main	5m 41s
pytest no opengl / ubuntu / MNE maint/1.4	6m 0s
pytest old / ubuntu / MNE maint/1.3	8m 11s
pytest pip-pre / ubuntu / MNE main	9m 31s
	2h 1m 10s

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