docs: add emoji to 2.22.0 changelog

Author: david-allison

changelog.asc

@@ -6,7 +6,7 @@
 
 Another release containing all of Anki's new improvements (and a few of our own)!
 
-Your https://opencollective.com/ankidroid/contribute[donations] helped us get these changes out so quickly
+Your https://opencollective.com/ankidroid/contribute[donations] helped us get these changes out so quickly! 🤜🤛
 
 * *Features*
 ** Includes https://apps.ankiweb.net/[Anki 25.07.3], with https://github.com/open-spaced-repetition/fsrs4anki[FSRS 6.0]