Add SHA256 hash #367

Job	Run time
test-ubuntu-macos (macos-latest, 3.9)	2m 38s
test-windows (win64, 3.9)	3m 52s
test-windows (win64, 3.10)	3m 7s
test-windows (win64, 3.11)	3m 15s
test-ubuntu-macos (macos-latest, 3.10)	2m 27s
test-ubuntu-macos (macos-latest, 3.11)	2m 54s
test-windows (win64, 3.12)	2m 19s
test-windows (win64, 3.13)	3m 29s
test-ubuntu-macos (macos-latest, 3.12)	2m 22s
test-ubuntu-macos (macos-latest, 3.13)	2m 5s
test-ubuntu-macos (macos-latest, pypy)	3m 35s
test-ubuntu-macos (ubuntu-latest, 3.9)	3m 14s
test-ubuntu-macos (ubuntu-latest, 3.10)	3m 22s
test-ubuntu-macos (ubuntu-latest, 3.11)	3m 31s
test-ubuntu-macos (ubuntu-latest, 3.12)	3m 17s
test-ubuntu-macos (ubuntu-latest, 3.13)	3m 17s
test-ubuntu-macos (ubuntu-latest, pypy)	3m 24s
all-tests-pass	3s
	52m 11s

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