multimedia/vapoursynth-vmaf: Update r7 => r10
Changelogs:
https://github.com/HomeOfVapourSynthEvolution/VapourSynth-VMAF/releases/tag/r8
https://github.com/HomeOfVapourSynthEvolution/VapourSynth-VMAF/releases/tag/r9
https://github.com/HomeOfVapourSynthEvolution/VapourSynth-VMAF/releases/tag/r10
Sponsored by: UNIS Labs