Add required version >=5.5.222 for the player avatar extension (#1518)

Don't show in the changelog

Author: Bouh

extensions/reviewed/PlayerAvatar.json

@@ -17,6 +17,7 @@
     "Avatar",
     "GDevelop"
   ],
+  "gdevelopVersion": ">=5.5.222",
   "authorIds": [
     "2OwwM8ToR9dx9RJ2sAKTcrLmCB92"
   ],