New Mastodon bugfix releases: Mastodon v4.2.4 / v4.1.12

Check out the changelogs!
v4.2.4 https://github.com/mastodon/mastodon/releases/tag/v4.2.4
v4.1.12 https://github.com/mastodon/mastodon/releases/tag/v4.1.12

Please consider updating to the 4.2.x branch if you haven't done so yet.

The 3.5.x and 4.0.x branches have reached end-of-life status and will no longer receive updates, including this one.