V4 Release Candidate 5

What's Changed

• Updated docker image in compose to be all lowercase by @SethAngell in #1617
• Update supported python version by @georgewoodall82 in #1621
• Improve docker container rebuild speed by @peleccom in #1623
• Fixed arguments parsing by @xnetcat in 725ba76
• Fixed Can't get metadata for songs with no lyrics by @ManuelEibl in #1620

New Contributors

• @SethAngell made their first contribution in #1617
• @georgewoodall82 made their first contribution in #1621

Full Changelog: v4.0.0-rc.4...v4.0.0-rc.5