youtube-dl: update to 2020.12.14

[emacsomancer]

Core

• [extractor/common] Improve JSON-LD interaction statistic extraction (build-style/cargo: pass config_args in do_check. #23306)
• [downloader/hls] Delegate manifests with media initialization to ffmpeg

• [extractor/common] Document duration meta field for playlists

Extractors

• [mdr] Bypass geo restriction
• [mdr] Improve extraction (libvirt: apply upstream patch to fix non-brtfs fs #24346, xf86-input-synaptics: fix build w/ musl-1.2.1 #26873)
• [yandexmusic:album] Improve album title extraction (cherrytree: update to 0.99.27 #27418)
• [eporner] Fix view count extraction and make optional (build-style/cargo: pass config_args in do_check. #23306)

• [eporner] Extend URL regular expression

• [eporner] Fix hash extraction and extend _VALID_URL (weston: update to 9.0.0. #27396)
• [slideslive] Use m3u8 entry protocol for m3u8 formats (New package: font-vazir-code-1.1.2 #27400)
• [twitcasting] Fix format extraction and improve info extraction (dhcp: set license to MPL-2.0 #24868)
• [linuxacademy] Fix authentication and extraction (New package: xephem-3.7.7 #21129, oragono: update to 2.4.0. #26223, darktable: update to 3.4.0. #27402)
• [itv] Clean description from HTML tags (New package: rsv-1.3.3 #27399)
• [vlive] Sort live formats (vte290: not depends on vte #27404)
• [hotstart] Fix and improve extraction
  • Fix format extraction (doctl: update to 1.54.0. #26690)
  • Extract thumbnail URL (bumblebee-status: update to 1.9.0 #16079, trident-icons: update to 2020.03.27 #20412)
  • Add support for country specific playlist URLs (python3-joblib: update to 0.16.0 #23496)
  • Select the last id in video URL (duperemove: update to 0.11.2. #26412)

• [youtube] Add some invidious instances ([Package Request] python3-liblarch #27373)

https://github.com/ytdl-org/youtube-dl/releases/tag/2020.12.14