[InfoExtractor] Misc yt-dlp back-ports, etc #884

Job	Run time
Select tests from inputs	1s
Linter	16s
Run tests (ubuntu-20.04, 2.6, cpython, core, sh)	1m 11s
Run tests (ubuntu-20.04, 2.7, cpython, core, sh)	1m 7s
Run tests (ubuntu-20.04, 3.2, cpython, core, sh)	1m 8s
Run tests (ubuntu-20.04, 3.3, cpython, core, sh)	1m 20s
Run tests (ubuntu-20.04, 3.4, cpython, core, sh)	1m 17s
Run tests (ubuntu-20.04, 3.5, cpython, core, sh)	1m 12s
Run tests (ubuntu-20.04, 3.6, cpython, core, sh)	1m 17s
Run tests (ubuntu-20.04, 3.7, cpython, core, sh)	1m 9s
Run tests (ubuntu-20.04, 3.8, cpython, core, sh)	1m 6s
Run tests (ubuntu-20.04, 3.9, cpython, core, sh)	58s
Run tests (ubuntu-20.04, 3.10, cpython, core, sh)	1m 13s
Run tests (ubuntu-20.04, 3.11, cpython, core, sh)	53s
Run tests (ubuntu-20.04, 3.12, cpython, core, sh)	1m 2s
Run tests (ubuntu-20.04, pypy-2.7, cpython, core, sh)	2m 25s
Run tests (ubuntu-20.04, pypy-3.6, cpython, core, sh)	2m 28s
Run tests (ubuntu-20.04, pypy-3.7, cpython, core, sh)	2m 50s
Run tests (windows-2019, 3.4, cpython, core, bat)	2m 47s
Run tests (windows-2019, 3.4, cpython, nodownload, bat)	1m 27s
Run tests (ubuntu-20.04, 2.7, jython, core, sh)	3m 14s
Run tests (ubuntu-20.04, 2.7, jython, nodownload, sh)	21s
	30m 42s

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