multimedia/ffms2: Update to 5.0
- Backport upstream commit 25cef14386fcaaa58ee547065deee8f6e82c56a2
- Import patch from Fedora to use system installed VapourSynth
References:
https://github.com/FFMS/ffms2/commit/25cef14386fcaaa58ee547065deee8f6e82c56a2
https://src.fedoraproject.org/rpms/ffms2/blob/4abb3e39048f3c8959dac77bee61bd8da749551e/f/ffms2-use-system-vapoursynth.patch
PR: 289060