Bump black from 22.3.0 to 24.3.0 in /requirements #895

Job	Run time
build (3.7, 4.0.3)	36s
build (3.7, 4.1.2)	12s
build (3.7, 4.2.0)	16s
build (3.7, 4.3.2)	17s
build (3.7, 4.5.0)	13s
build (3.7, 5.0.2)	16s
build (3.7, 5.1.1)	12s
build (3.7, 5.3.0)	13s
build (3.8, 4.0.3)	20s
build (3.8, 4.1.2)	18s
build (3.8, 4.2.0)	23s
build (3.8, 4.3.2)	20s
build (3.8, 4.5.0)	18s
build (3.8, 5.0.2)	28s
build (3.8, 5.1.1)	21s
build (3.8, 5.3.0)	24s
build (3.8, 6.1.3)	24s
build (3.8, git+https://github.com/sphinx-doc/sphinx.git@master)	11s
build (3.9, 4.0.3)	24s
build (3.9, 4.1.2)	25s
build (3.9, 4.2.0)	19s
build (3.9, 4.3.2)	21s
build (3.9, 4.5.0)	27s
build (3.9, 5.0.2)	24s
build (3.9, 5.1.1)	18s
build (3.9, 5.3.0)	22s
build (3.9, 6.1.3)	24s
build (3.9, git+https://github.com/sphinx-doc/sphinx.git@master)	32s
build (3.10, 4.2.0)	23s
build (3.10, 4.3.2)	25s
build (3.10, 4.5.0)	16s
build (3.10, 5.0.2)	22s
build (3.10, 5.1.1)	23s
build (3.10, 5.3.0)	30s
build (3.10, 6.1.3)	19s
build (3.10, git+https://github.com/sphinx-doc/sphinx.git@master)	30s
	12m 46s

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