Lemmy World upgraded to v0.18.4 on 2023-08-10

Edit: Upgrade finished

We will upgrade lemmy.world to v0.18.4 tomorrow at 20:00 UTC+2 (Check what this isn in your timezone. Expect the site to be down for a few minutes.

Release notes for 0.18.4 can be found here: https://github.com/LemmyNet/lemmy/blob/main/RELEASES.md