Various optimizations to colorspace code#143

Draft

djhoese wants to merge 5 commits intopytroll:mainfrom djhoese:opt-colorspaces

+241-224

Commits on Sep 16, 2023

Use ternary operator in xyz to rgb for better performance
djhoese
committed

Commits on Sep 17, 2023

Commits on Sep 18, 2023

Change colorize return dtype to match input array
djhoese
committed

Commits on Sep 21, 2023

Disable PyPy wheels until numpy supports it again
djhoese
committed