Update changelog

CHANGELOG.md

@@ -7,6 +7,7 @@
       sentence.
     * Add version error check messages on DM sending and Resharing Diaspora posts for pre-2023.03
       Friendica servers
+    * Using media_kit instead of video_player library on iOS
 * Fixes
     * Keyboard on Search Screen now dismisses when user clicks outside of the search text field or
       hits "Done" button (which also initiates the search).