Update changelog

CHANGELOG.md

@@ -44,6 +44,7 @@
 - Updated FollowerController to fix bug affecting private profiles ([a429d961](https://github.com/pixelfed/pixelfed/commit/a429d961))
 - Updated StatusTransformer, added ```local``` attribute ([484bb509](https://github.com/pixelfed/pixelfed/commit/484bb509))
 - Updated PostComponent, fix bug affecting MomentUI and non authenticated users ([7b3fe215](https://github.com/pixelfed/pixelfed/commit/7b3fe215))
+- Updated FixUsernames command to allow usernames containing ```.``` ([e5d77c6d](https://github.com/pixelfed/pixelfed/commit/e5d77c6d))
 
 ## Deprecated