Missing pip releases, APIv4 support

[Selur]

Here's a small overview of the filters Hybrid uses atm. which either lack a pip release or have no APIv4 support atm.

• Bore: https://github.com/OpusGang/bore
  
• RemoveDirt: https://github.com/pinterf/RemoveDirt
  
• Retinex: https://github.com/HomeOfVapourSynthEvol...th-Retinex
  
• SoftLight: https://github.com/ArturAlekseev/AVS_SoftLight
  
• TCanny: https://github.com/HomeOfVapourSynthEvol...nth-TCanny (archived) used in MCDegrainSharp
  
• CTMF: https://github.com/HomeOfVapourSynthEvol...Synth-CTMF using in SMDegrain, TemporalDegrain, FineDeHalo, YAHR => replaced with wrapper function
  
• HQDN3D: https://github.com/Hinterwaeldlers/vapoursynth-hqdn3d using in TemporalDegrain
  
• LGhost: https://github.com/HomeOfVapourSynthEvol...nth-LGhost
  
• vcm: https://github.com/AmusementClub/vcm used in DeJitter
  
• DePan: https://github.com/Vapoursynth-Plugins-Gitify/DePan usend in Stab
  
• DeblockPP7: https://github.com/HomeOfVapourSynthEvol...DeblockPP7
  
• ftf: https://github.com/IFeelBloated/Fix-Telecined-Fades/
  
• TIVTC: https://github.com/dubhatervapoursynth/v...ynth-tivtc
  
• MiniDeen: https://github.com/dubhatervapoursynth/v...h-minideen
  
• ChromaNR: https://github.com/dnjulek/vapoursynth-chromanr
  
• ChromaNR (cuda): https://github.com/dnjulek/vapoursynth-chromanrcuda
  
• FrFun7: https://github.com/dubhatervapoursynth/v...nth-frfun7
  
• VagueDenoiser: https://github.com/HomeOfAviSynthPlusEvo...e_Denoiser
  
• BiFrost: https://github.com/dubhatervapoursynth/v...th-bifrost
  
• DeCross: https://github.com/dubhatervapoursynth/v...th-decross
  
• SmoothUV: https://github.com/dubhatervapoursynth/v...h-smoothuv used in RainbowSmooth
  
• Histogram: https://github.com/dubhatervapoursynth/v...-histogram
  
• DPID: https://github.com/WolframRhodium/VapourSynth-dpid
  
• LSMASHSource: https://github.com/HomeOfAviSynthPlusEvo...MASH-Works
  
• Anime4kCPP: https://github.com/TianZerL/Anime4KCPP
  
• FFMS2: https://github.com/FFMS/ffms2/ (not pre-build atm.)
  
• avisource: https://github.com/vapoursynth/vs-avisource-obsolete
  
• RAWsource: https://github.com/chikuzen/vsrawsource
  
• AssRenderer: https://github.com/AmusementClub/assrender
  
• VsFilterMod: https://github.com/sorayuki/VSFilterMod/
  
• all DG-Tools
  

this is mainly ment to offer an overview. If everything had a pip release it would simplify updating and release. Especially on non-Windows systems.

Cu Selur