Replace stack/mask/reduce by indexing in _hsv2rgb #590

Job	Run time
linux (linux.12xlarge, cpu) / linux-job	3m 30s
macos (macos-12) / macos-job	12m 34s
linux (linux.g5.4xlarge.nvidia.gpu, cuda, 11.8) / linux-job	8m 21s
macos (macos-m1-12) / macos-job	2m 14s
windows (windows.g5.4xlarge.nvidia.gpu, cuda, 11.8) / windows-job	11m 54s
windows (windows.4xlarge, cpu) / windows-job	12m 36s
	51m 9s

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