Update ocio to 2.2.0
See https://github.com/AcademySoftwareFoundation/OpenColorIO/issues/1593 -- this enables building with gcc 12. It seems that the single patch we carry also is no longer necessary?
See https://github.com/AcademySoftwareFoundation/OpenColorIO/issues/1593 -- this enables building with gcc 12. It seems that the single patch we carry also is no longer necessary?