Add SHA256 hash #398

Job	Run time
macos (macos-13, x86_64)	39s
linux (x86_64)	2m 47s
macos (macos-14, aarch64)	30s
linux (x86)	3m 16s
linux (aarch64)	2m 48s
musllinux (x86_64)	1m 37s
sdists	17s
linux (armv7)	3m 25s
musllinux (x86)	1m 21s
musllinux (aarch64)	1m 56s
musllinux (armv7)	1m 20s
win32	3m 50s
win64	3m 35s
Publish Python distributions to PyPI	0s
	27m 21s

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