Update CHANGELOG.md

CHANGELOG.md

@@ -18,6 +18,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ### Fixed
 - Don't crash so hard when email settings are invalid.
+- Mix task: pleroma.database prune_objects
 
 ## Unreleased (Patch)