yt-dlp: Update to 2022.01.21

* Fix ffprobe detection.

Changelog:
### 2021.01.21

* Add option `--concat-playlist` to **concat videos in a playlist**
* Allow **multiple and nested configuration files**
* Add more post-processing stages (`after_video`, `playlist`)
* Allow `--exec` to be run at any post-processing stage (Deprecates `--exec-before-download`)
* Allow `--print` to be run at any post-processing stage
* Allow listing formats, thumbnails, subtitles using `--print` by [pukkandan](https://github.com/pukkandan), [Zirro](https://github.com/Zirro)
* Add fields `video_autonumber`, `modified_date`, `modified_timestamp`, `playlist_count`, `channel_follower_count`
* Add key `requested_downloads` in the root `info_dict`
* Write `download_archive` only after all formats are downloaded
* [FfmpegMetadata] Allow setting metadata of individual streams using `meta<n>_` prefix
* Add option `--legacy-server-connect` by [xtkoba](https://github.com/xtkoba)
* Allow escaped `,` in `--extractor-args`
* Allow unicode characters in `info.json`
* Check for existing thumbnail/subtitle in final directory
* Don't treat empty containers as `None` in `sanitize_info`
* Fix `-s --ignore-no-formats --force-write-archive`
* Fix live title for multiple formats
* List playlist thumbnails in `--list-thumbnails`
* Raise error if subtitle download fails
* [cookies] Fix bug when keyring is unspecified
* [ffmpeg] Ignore unknown streams, standardize use of `-map 0`
* [outtmpl] Alternate form for `D` and fix suffix's case
* [utils] Add `Sec-Fetch-Mode` to `std_headers`
* [utils] Fix `format_bytes` output for Bytes by [pukkandan](https://github.com/pukkandan), [mdawar](https://github.com/mdawar)
* [utils] Handle `ss:xxx` in `parse_duration`
* [utils] Improve parsing for nested HTML elements by [zmousm](https://github.com/zmousm), [pukkandan](https://github.com/pukkandan)
* [utils] Use key `None` in `traverse_obj` to return as-is
* [extractor] Detect more subtitle codecs in MPD manifests by [fstirlitz](https://github.com/fstirlitz)
* [extractor] Extract chapters from JSON-LD by [iw0nderhow](https://github.com/iw0nderhow), [pukkandan](https://github.com/pukkandan)
* [extractor] Extract thumbnails from JSON-LD by [nixxo](https://github.com/nixxo)
* [extractor] Improve `url_result` and related
* [generic] Improve KVS player extraction by [trassshhub](https://github.com/trassshhub)
* [build] Reduce dependency on third party workflows
* [extractor,cleanup] Use `_search_nextjs_data`, `format_field`
* [cleanup] Minor fixes and cleanup
* [docs] Improvements
* [test] Fix TestVerboseOutput
* [afreecatv] Add livestreams extractor by [wlritchi](https://github.com/wlritchi)
* [callin] Add extractor by [foghawk](https://github.com/foghawk)
* [CrowdBunker] Add extractors by [Ashish0804](https://github.com/Ashish0804)
* [daftsex] Add extractors by [k3ns1n](https://github.com/k3ns1n)
* [digitalconcerthall] Add extractor by [teridon](https://github.com/teridon)
* [Drooble] Add extractor by [u-spec-png](https://github.com/u-spec-png)
* [EuropeanTour] Add extractor by [Ashish0804](https://github.com/Ashish0804)
* [iq.com] Add extractors by [MinePlayersPE](https://github.com/MinePlayersPE)
* [KelbyOne] Add extractor by [Ashish0804](https://github.com/Ashish0804)
* [LnkIE] Add extractor by [Ashish0804](https://github.com/Ashish0804)
* [MainStreaming] Add extractor by [coletdjnz](https://github.com/coletdjnz)
* [megatvcom] Add extractors by [zmousm](https://github.com/zmousm)
* [Newsy] Add extractor by [Ashish0804](https://github.com/Ashish0804)
* [noodlemagazine] Add extractor by [trassshhub](https://github.com/trassshhub)
* [PokerGo] Add extractors by [Ashish0804](https://github.com/Ashish0804)
* [Pornez] Add extractor by [mozlima](https://github.com/mozlima)
* [PRX] Add Extractors by [coletdjnz](https://github.com/coletdjnz)
* [RTNews] Add extractor by [Ashish0804](https://github.com/Ashish0804)
* [Rule34video] Add extractor by [trassshhub](https://github.com/trassshhub)
* [tvopengr] Add extractors by [zmousm](https://github.com/zmousm)
* [Vimm] Add extractor by [alerikaisattera](https://github.com/alerikaisattera)
* [glomex] Add extractors by [zmousm](https://github.com/zmousm)
* [instagram] Add story/highlight extractor by [u-spec-png](https://github.com/u-spec-png)
* [openrec] Add movie extractor by [Lesmiscore](https://github.com/Lesmiscore)
* [rai] Add Raiplaysound extractors by [nixxo](https://github.com/nixxo), [pukkandan](https://github.com/pukkandan)
* [aparat] Fix extractor
* [ard] Extract subtitles by [fstirlitz](https://github.com/fstirlitz)
* [BiliIntl] Add login by [MinePlayersPE](https://github.com/MinePlayersPE)
* [CeskaTelevize] Use `http` for manifests
* [CTVNewsIE] Add fallback for video search by [Ashish0804](https://github.com/Ashish0804)
* [dplay] Migrate DiscoveryPlusItaly to DiscoveryPlus by [timendum](https://github.com/timendum)
* [dplay] Re-structure DiscoveryPlus extractors
* [Dropbox] Support password protected files and more formats by [zenerdi0de](https://github.com/zenerdi0de)
* [facebook] Fix extraction from groups
* [facebook] Improve title and uploader extraction
* [facebook] Parse dash manifests
* [fox] Extract m3u8 from preview by [ischmidt20](https://github.com/ischmidt20)
* [funk] Support origin URLs
* [gfycat] Fix `uploader`
* [gfycat] Support embeds by [coletdjnz](https://github.com/coletdjnz)
* [hotstar] Add extractor args to ignore tags by [Ashish0804](https://github.com/Ashish0804)
* [hrfernsehen] Fix ardloader extraction by [CreaValix](https://github.com/CreaValix)
* [instagram] Fix username extraction for stories and highlights by [nyuszika7h](https://github.com/nyuszika7h)
* [kakao] Detect geo-restriction
* [line] Remove `tv.line.me` by [sian1468](https://github.com/sian1468)
* [mixch] Add `MixchArchiveIE` by [Lesmiscore](https://github.com/Lesmiscore)
* [mixcloud] Detect restrictions by [llacb47](https://github.com/llacb47)
* [NBCSports] Fix extraction of platform URLs by [ischmidt20](https://github.com/ischmidt20)
* [Nexx] Extract more metadata by [MinePlayersPE](https://github.com/MinePlayersPE)
* [Nexx] Support 3q CDN by [MinePlayersPE](https://github.com/MinePlayersPE)
* [pbs] de-prioritize AD formats
* [PornHub,YouTube] Refresh onion addresses by [unit193](https://github.com/unit193)
* [RedBullTV] Parse subtitles from manifest by [Ashish0804](https://github.com/Ashish0804)
* [streamcz] Fix extractor by [arkamar](https://github.com/arkamar), [pukkandan](https://github.com/pukkandan)
* [Ted] Rewrite extractor by [pukkandan](https://github.com/pukkandan), [trassshhub](https://github.com/trassshhub)
* [Theta] Fix valid URL by [alerikaisattera](https://github.com/alerikaisattera)
* [ThisOldHouseIE] Add support for premium videos by [Ashish0804](https://github.com/Ashish0804)
* [TikTok] Fix extraction for sigi-based webpages, add API fallback by [MinePlayersPE](https://github.com/MinePlayersPE)
* [TikTok] Pass cookies to formats, and misc fixes by [MinePlayersPE](https://github.com/MinePlayersPE)
* [TikTok] Extract captions, user thumbnail by [MinePlayersPE](https://github.com/MinePlayersPE)
* [TikTok] Change app version by [MinePlayersPE](https://github.com/MinePlayersPE), [llacb47](https://github.com/llacb47)
* [TVer] Extract message for unaired live by [Lesmiscore](https://github.com/Lesmiscore)
* [twitcasting] Refactor extractor by [Lesmiscore](https://github.com/Lesmiscore)
* [twitter] Fix video in quoted tweets
* [veoh] Improve extractor by [foghawk](https://github.com/foghawk)
* [vk] Capture `clip` URLs
* [vk] Fix VKUserVideosIE by [Ashish0804](https://github.com/Ashish0804)
* [vk] Improve `_VALID_URL` by [k3ns1n](https://github.com/k3ns1n)
* [VrtNU] Handle empty title by [pgaig](https://github.com/pgaig)
* [XVideos] Check HLS formats by [MinePlayersPE](https://github.com/MinePlayersPE)
* [yahoo:gyao] Improved playlist handling by [hyano](https://github.com/hyano)
* [youtube:tab] Extract more playlist metadata by [coletdjnz](https://github.com/coletdjnz), [pukkandan](https://github.com/pukkandan)
* [youtube:tab] Raise error on tab redirect by [krichbanana](https://github.com/krichbanana), [coletdjnz](https://github.com/coletdjnz)
* [youtube] Update Innertube clients by [coletdjnz](https://github.com/coletdjnz)
* [youtube] Detect live-stream embeds
* [youtube] Do not return `upload_date` for playlists
* [youtube] Extract channel subscriber count by [coletdjnz](https://github.com/coletdjnz)
* [youtube] Make invalid storyboard URL non-fatal
* [youtube] Enforce UTC, update innertube clients and tests by [coletdjnz](https://github.com/coletdjnz)
* [zdf] Add chapter extraction by [iw0nderhow](https://github.com/iw0nderhow)
* [zee5] Add geo-bypass

(ryoon)