Bump actions/download-artifact from 4 to 5 in /.github/workflows #1573

Job	Run time
configure	5s
bindir (windows-latest)	14s
nightly (ubuntu-latest)	12s
default (ubuntu-latest)	4s
version (macos-latest)	9s
version (windows-latest)	9s
version (ubuntu-latest)	4s
bindir (ubuntu-latest)	7s
default (macos-latest)	7s
path-suggestions (macos-latest)	9s
bindir (macos-latest)	8s
path-suggestions (windows-latest)	14s
nightly (macos-latest)	14s
path-suggestions (ubuntu-latest)	8s
nightly (windows-latest)	14s
default (windows-latest)	12s
	2m 30s

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