Update actions/upload-artifact action to v7 - autoclosed #551

Job	Run time
windows-latest (host=x64, target=x64)	3m 13s
windows-latest (host=x86, target=x86)	3m 7s
macos-m1 (host=arm64, target=arm64)	1s
macos-latest (host=x64, target=x64)	59s
ubuntu-20.04 (host=x64, target=x64)	1s
${{ matrix.variant }} (node=${{ matrix.node }}, target=${{ matrix.target }})	0s
	7m 21s

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