Improve port:
* Add textproc/py-docutils to ${BUILD_DEPENDS}
* port{clippy|fmt|lint} maintenance
* Remove Sphinx documentation sources from installation
* Split long lines
* Sort options
* Sort plist
Changelogs:
https://github.com/AcademySoftwareFoundation/OpenColorIO/releases/tag/v2.4.0
https://github.com/AcademySoftwareFoundation/OpenColorIO/releases/tag/v2.4.1
https://github.com/AcademySoftwareFoundation/OpenColorIO/releases/tag/v2.4.2
PR: 286622
Approved by: Shane <FreeBSD@ShaneWare.Biz>
Co-authored-by: vvd