Lemmit/Lemmy v0.17.4 Release

Lemmy released a new update: v0.17.4

The Lemmit server got updated to this version as of 6PM GMT+2

Release notes:

• Some DB optimizations. The DB upgrade should take ~30 minutes for servers with a lot of content. Be patient.
• Fixes for a few security vulnerabilities.
• Full Release notes to come with next major version release.