Revert "Bump actions/download-artifact from 3 to 4 (#765)" (#796) #6213

Job	Run time
test-metadata	3s
redshift / python 3.8 / ubuntu-latest	11m 32s
redshift / python 3.9 / ubuntu-latest	22m 33s
redshift / python 3.10 / ubuntu-latest	23m 19s
redshift / python 3.11 / ubuntu-latest	13m 23s
redshift / python 3.8 / windows-latest	21m 41s
redshift / python 3.8 / macos-12	29m 30s
post-failure	3s
require-label-comment	0s
	2h 2m 4s

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