Motivation for this change

youtube-dl update
most notable changes:

• Fix audio only with audio group in m3u8
• Respect --no-part
• Speed-up HTML5 media entries extraction
• Introduce get_elements_by_class and get_elements_by_attribute utility functions
• Skip m3u8 manifests protected with Adobe Flash Access
• Add support for quoted string literals in --match-filter

Things done

• Tested using sandboxing
  (nix.useSandbox on NixOS,
  or option build-use-sandbox in nix.conf
  on non-NixOS)
• Built on platform(s)
  • NixOS
  • macOS
  • Linux
• Tested compilation of all pkgs that depend on this change using nix-shell -p nox --run "nox-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Fits CONTRIBUTING.md.