build

Add github actions for windows builds. #175

Job	Run time
prepare	6m 52s
build-windows	3m 48s
build-macos	20m 9s
build-linux (cp36m, manylinux_2_31_x86_64)	3m 39s
build-linux (cp36m, manylinux_2_31_aarch64)	45m 27s
build-linux (cp36m, manylinux_2_28_armv7l)	1h 47m 21s
build-linux (cp37m, manylinux_2_31_x86_64)	5m 3s
build-linux (cp37m, manylinux_2_31_aarch64)	1h 0m 33s
build-linux (cp37m, manylinux_2_28_armv7l)	2h 4m 2s
build-linux (cp38, manylinux_2_31_x86_64)	3m 50s
build-linux (cp38, manylinux_2_31_aarch64)	1h 11m 34s
build-linux (cp38, manylinux_2_28_armv7l)	2h 7m 29s
build-linux (cp39, manylinux_2_31_x86_64)	3m 40s
build-linux (cp39, manylinux_2_31_aarch64)	44m 49s
build-linux (cp39, manylinux_2_28_armv7l)	2h 7m 33s
build-linux (cp3_10, manylinux_2_31_x86_64)	3m 33s
build-linux (cp3_10, manylinux_2_31_aarch64)	44m 39s
build-linux (cp3_10, manylinux_2_28_armv7l)	2h 7m 33s
build-linux (cp3_11, manylinux_2_31_x86_64)	3m 29s
build-linux (cp3_11, manylinux_2_31_aarch64)	45m 28s
build-linux (cp3_11, manylinux_2_28_armv7l)	1h 33m 47s
cleanup	2s
	17h 54m 20s

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