Update to ytdl-commit-a08f2b7 (#10012)

Update to ytdl-commit-a08f2b7 (#10012)

[ie] Rework JWPlayer extraction
- https://github.com/ytdl-org/youtube-dl/commit/f66372403fd9e1661199fea100ba2600fa9697b2
[ie/gbnews] Add extractor
- https://github.com/ytdl-org/youtube-dl/commit/70f230f9cf28e948662599b6257cb7d1262870e3
[ie/caffeinetv] Add extractor
- https://github.com/ytdl-org/youtube-dl/commit/40bd5c18153afe765caa6726302ee1dd8a9a2ce6
[ie/youporn] Improve extraction
- https://github.com/ytdl-org/youtube-dl/commit/0b2ce3685e02ea1a3ccee1026572e081b8f6ac83
[ie/youporn] Add playlist extractors
- https://github.com/ytdl-org/youtube-dl/commit/668332b9733023ca2e927eeb2208725022248af8

Closes #9188, Closes #9523
Authored by: Grub4K, bashonly