graphics/{,py-}openimageio: update 2.5.8.0 → 2.5.12.0
Changelog:
https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v2.5.9.0
https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v2.5.10.1
https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v2.5.11.0
https://github.com/AcademySoftwareFoundation/OpenImageIO/releases/tag/v2.5.12.0
PR: 279845