Ytdl-sub

[BUGFIX] Fix multiple top-level parents for linked VEVO YouTube channels (909)

Fixes https://github.com/jmbannon/ytdl-sub/issues/908 - when channel URLs return videos from other channels

[BUGFIX] Fix YouTube channels iterating 2x entries (903)

A recent feature to grab channel artwork for playlists caused downloading channels to misreport the number of entries it was downloading. This change fixes that

[FEATURE] Toggle `date_range` to break or not (904)

Adds a the new field `breaking` to the `date_range` plugin, to toggle whether an entry breaks subsequent metadata pulls. This is useful to disable if you are grabbing a playlist that may have videos out of order, but still want to apply a date range to it.

[BACKEND] Only download audio when using audio_extract plugin (902)

This addition optimizes the `audio_extract` plugin by preemptively telling yt-dlp to discard the video and only download the audio stream

[BACKEND] Remove old format for `video_tags`, `music_tags`, `download_strategy` (899)

Now that sufficient time has passed, we can formally deprecate the following:
- https://ytdl-sub.readthedocs.io/en/latest/deprecation_notices.html#video-tags
- https://ytdl-sub.readthedocs.io/en/latest/deprecation_notices.html#music-tags
- usage of `download_strategy` (simply remove it if you're getting an error about it)

[FEATURE] Toggleable plugin field `enable` for all dict-based plugins (897)

For key/value-based plugins, add an `enable` field to make it easier for child presets to disable their functionality