actions: save signed MSI to workspace #3572

Job	Run time
build (ubuntu-22.04, 1, build, x86_64, linux-x86_64)	22m 36s
build (ubuntu-20.04, 2, build, x86_64, linux-x86_64)	9m 37s
build (self-hosted, linux, arm64, 3, build, aarch64, linux-aarch64)	19m 46s
build (ubuntu-20.04, 4, build, x86_64, linux-x86_64, yes)	20m 37s
build (self-hosted, linux, arm64, 5, build, aarch64, linux-aarch64, yes)	19m 40s
build (macos-13, 6, build, x86_64, darwin64-x86_64)	23m 18s
build (macos-14, 7, build, aarch64, darwin64-arm64)	22m 51s
build (windows-2022, 9, build, Win64, VC-WIN64A)	37m 3s
build (ubuntu-22.04, test, 3.13, 10, x86_64)	15m 41s
build (ubuntu-22.04, test, 3.9, 11, x86_64)	15m 49s
build (ubuntu-22.04, test, 3.10, 12, x86_64)	17m 10s
build (ubuntu-22.04, test, 3.11, 8, x86_64)	20m 55s
merge	0s
publish	0s
	4h 5m 3s

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