Update Changelog

CHANGELOG.md

@@ -18,6 +18,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 - Hide Tag actions on Users tab if MRF TagPolicy is disabled. Add ability to enable TagPolicy from Moderation menu
 - Move `:restrict_unauthenticated` settings from Authentication tab to Instance tab
+- Replace regular inputs with textareas for setting welcome messages in the Settings section
 
 ### Fixed