Add Windows to CI tests #74

Job	Run time
pre-job	3m 43s
pre-job	3m 43s
pre-job	3m 43s
windows-build-and-test (opengl, legacy)	6m 54s
windows-build-and-test (opengl, legacy)	5m 44s
windows-build-and-test (opengl, legacy)	2h 19m 37s
windows-build-and-test (opengl, drawable)	6m 48s
windows-build-and-test (opengl, drawable)	5m 44s
windows-build-and-test (opengl, drawable)	2h 16m 36s
windows-build-and-test (egl, legacy)	6m 15s
windows-build-and-test (egl, legacy)	5m 12s
windows-build-and-test (egl, legacy)	2h 13m 48s
windows-build-and-test (vulkan, drawable)	6m 47s
windows-build-and-test (vulkan, drawable)	5m 45s
windows-build-and-test (vulkan, drawable)	2h 35m 4s
windows-build-and-test (osmesa, legacy)	6m 50s
windows-build-and-test (osmesa, legacy)	5m 44s
windows-build-and-test (osmesa, legacy)	2h 18m 28s
windows-build-and-test (osmesa, drawable)	6m 47s
windows-build-and-test (osmesa, drawable)	5m 45s
windows-build-and-test (osmesa, drawable)	2h 16m 41s
Windows CI Result	3s
Windows CI Result	3s
Windows CI Result	1s
	15h 25m 45s

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