Add Windows portable ZIP to release artifacts #22

Job	Run time
build (macos-latest, darwin, x64)	57s
build (windows-latest, win32, x64)	2m 36s
build (ubuntu-latest, linux, x64)	1m 31s
build (macos-latest, darwin, arm64)	1m 21s
release	-1s
	6m 24s

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