Plugins/RSS Youtube URL parser doesn't work with handles #199
Description
Describe the bug
When adding a new RSS feed to a channel and supplying the bot a Youtube URL in the new format (using handles), the bot throws an error.
To Reproduce
Type !rss add https://www.youtube.com/@Science4Allfrancais
Expected behavior
The RSS feed should be added to the channel.
Priority
Probably ~P2, may be considered as ~P1.
Additional context
None given.