Add support for SHA384 hash in files.download() #1590

Job	Run time
type-check	18s
spell-check	5s
lint	23s
end-to-end-test (ubuntu-20.04, local)	24s
end-to-end-test (ubuntu-20.04, ssh)	1m 19s
unit-test (ubuntu-20.04, 3.8)	33s
end-to-end-test (ubuntu-20.04, docker)	32s
unit-test (ubuntu-20.04, 3.9)	35s
end-to-end-test (ubuntu-latest, local)	23s
unit-test (ubuntu-20.04, 3.10)	38s
end-to-end-test (ubuntu-latest, ssh)	1m 21s
unit-test (ubuntu-20.04, 3.11)	39s
end-to-end-test (ubuntu-latest, docker)	28s
unit-test (ubuntu-20.04, 3.12)	46s
end-to-end-test (macos-latest, local)	18s
unit-test (ubuntu-latest, 3.8)	35s
unit-test (ubuntu-latest, 3.9)	33s
unit-test (ubuntu-latest, 3.10)	40s
unit-test (ubuntu-latest, 3.11)	36s
unit-test (ubuntu-latest, 3.12)	42s
unit-test (macos-13, 3.11)	51s
unit-test (windows-2022, 3.11)	1m 17s
tests-done	1s
	13m 57s

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