Bump actions/download-artifact from 4.1.7 to 4.1.8 #590

Job	Run time
coverage	1m 21s
setup / config	1s
matrix_prep / matrix_prep	5s
build (macos-12, darwin, amd64, packgen, publicRepo)	1m 27s
build (macos-12, darwin, arm64, packgen, publicRepo)	1m 50s
build (ubuntu-22.04, linux, amd64, packgen, always)	1m 11s
build (ubuntu-22.04, linux, arm64, packgen, always)	1m 28s
build (windows-2019, windows, amd64, packgen.exe, always)	2m 14s
build (windows-2019, windows, arm64, packgen.exe, always)	2m 14s
unittest (macos-12, darwin, amd64, packgen, publicRepo)	1m 31s
unittest (macos-12, darwin, arm64, packgen, publicRepo)	1m 33s
unittest (ubuntu-22.04, linux, amd64, packgen, always)	1m 6s
unittest (ubuntu-22.04, linux, arm64, packgen, always)	1m 6s
unittest (windows-2019, windows, amd64, packgen.exe, always)	2m 13s
unittest (windows-2019, windows, arm64, packgen.exe, always)	2m 37s
Publish Tests Results	3s
release	0s
	22m 0s

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