build

Add github actions for windows builds. #174

Job	Run time
prepare	11m 6s
build-macos	2m 10s
build-windows	59s
build-linux (cp36m, manylinux_2_31_x86_64)	2m 14s
build-linux (cp36m, manylinux_2_31_aarch64)	2m 12s
build-linux (cp36m, manylinux_2_28_armv7l)	2m 11s
build-linux (cp37m, manylinux_2_31_x86_64)	2m 11s
build-linux (cp37m, manylinux_2_31_aarch64)	2m 13s
build-linux (cp37m, manylinux_2_28_armv7l)	2m 12s
build-linux (cp38, manylinux_2_31_x86_64)	2m 13s
build-linux (cp38, manylinux_2_31_aarch64)	2m 15s
build-linux (cp38, manylinux_2_28_armv7l)	2m 13s
build-linux (cp39, manylinux_2_31_x86_64)	2m 10s
build-linux (cp39, manylinux_2_31_aarch64)	2m 11s
build-linux (cp39, manylinux_2_28_armv7l)	2m 11s
build-linux (cp3_10, manylinux_2_31_x86_64)	2m 15s
build-linux (cp3_10, manylinux_2_31_aarch64)	2m 15s
build-linux (cp3_10, manylinux_2_28_armv7l)	2m 15s
build-linux (cp3_11, manylinux_2_31_x86_64)	2m 13s
build-linux (cp3_11, manylinux_2_31_aarch64)	2m 13s
build-linux (cp3_11, manylinux_2_28_armv7l)	2m 15s
cleanup	2s
	54m 9s

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