Extractor changes

• patreon: campaign: Support /c/ URLs (#11756) by bashonly
• soundcloud: Fix extraction (#11777) by bashonly
• youtube
  • Fix release_date extraction (#11759) by MutantPiggieGolem1
  • Fix signature function extraction for 2f1832d2 (#11801) by bashonly
  • Prioritize original language over auto-dubbed audio (#11803) by bashonly
  • search_url: Fix playlist searches (#11782) by Crypto90

Misc. changes

• cleanup: Make more playlist entries lazy (#11763) by seproDev