Add Windows ARM64 support (#393) #108

Job	Run time
build-filedemo-github-hosted (ubuntu-latest)	24s
build-filedemo-github-hosted (windows-latest)	1m 19s
build-filedemo-self-hosted (rpi3-32, Unix Makefiles)	1m 1s
build-micdemo-github-hosted (ubuntu-latest)	32s
build-filedemo-github-hosted (macos-latest)	1m 8s
build-filedemo-self-hosted (rpi3-64, Unix Makefiles)	1m 2s
build-micdemo-github-hosted (windows-latest)	1m 25s
build-micdemo-self-hosted (rpi3-32)	3m 29s
build-micdemo-github-hosted (macos-latest)	33s
build-filedemo-self-hosted (rpi4-32, Unix Makefiles)	31s
build-filedemo-self-hosted (rpi4-64, Unix Makefiles)	39s
build-micdemo-self-hosted (rpi3-64)	3m 13s
build-micdemo-self-hosted (rpi4-32)	1m 13s
build-filedemo-self-hosted (rpi5-64, Unix Makefiles)	16s
build-micdemo-self-hosted (rpi4-64)	1m 32s
build-filedemo-self-hosted (pv-windows-arm64, MinGW Makefiles, windows, arm64)	26s
build-micdemo-self-hosted (rpi5-64)	36s
	19m 19s

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