Bump actions/download-artifact from 3 to 4.1.7 in /.github/workflows #21

Job	Run time
Prerequisites	3m 3s
Linux x64 (build release)	15s
Linux x86 (build release)	12s
Linux x64 (build debug)	17s
Linux additional (hs x64 build only)	9m 9s
Linux x86 (build debug)	15s
macOS x64 (build release)	1s
Linux additional (hs x64 zero build only)	5m 42s
macOS x64 (build debug)	1s
Linux additional (hs x86 minimal build only)	5m 11s
Windows x64 (build release)	1m 25s
Linux additional (hs x86 client build only)	8m 4s
Windows x86 (build release)	1m 49s
Windows x64 (build debug)	1m 47s
Windows x86 (build debug)	1m 42s
Linux additional (hs aarch64 build only)	17m 48s
Linux additional (hs arm build only)	11m 40s
Linux additional (hs s390x build only)	45s
Linux additional (hs ppc64le build only)	45s
Linux x86	0s
Linux x64	0s
Windows x64	0s
Windows x86	0s
macOS x64	0s
Post-process artifacts	3s
	1h 9m 54s

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