Log Message:
youtube-dl: update to 2021.12.17

Aleri Kaisattera (1):
      [liveleak] Remove extractor (closes #17625, closes #24222) (#29331)

Logan B (1):
      [umg:de] Update GraphQL API URL (#29304)

Remita Amine (1):
      [periscope] pass referer to HLS requests(closes #29419)

Sergey M (1):
      [README.md] Update MSVC 2010 redist URL (closes #29222)

Sergey M․ (9):
      [nrk] Switch psapi URL to https (closes #29344)
      [youtube] Workaround for get_video_info request (refs #29333)
      [youtube] Make get_video_info processing more robust (closes #29333)
      [curiositystream:collection] Extend _VALID_URL (closes #26326, closes #29117)
      [pornhub] Dismiss tbr extracted from download URLs (closes #28927)
      [pornhub] Detect geo restriction
      [pornhub] Add support for pornhubthbh7ap3u.onion
      [ChangeLog] Actualize [ci skip]
      release 2021.12.17

Tianyi Shi (1):
      [bilibili] Strip uploader name (#29202)

bopol (2):
      [youtube] Update invidious instance list (#29281)
      [peertube] only call description endpoint if necessary (#29383)

kikuyan (4):
      [orf:tvthek] Add support for MPD formats (closes #28672) (#29236)
      [appleconnect] Fix extraction (#29208)
      [egghead] Add support for app.egghead.io (closes #28404) (#29303)
      [postprocessor/ffmpeg] Show ffmpeg output on error (refs #22680) (#29336)

lanegramling (1):
      [youtube] Update signature function patterns (closes #30363) (#30366)