Update config.json

Author: valeriyavorozhko

config.json

@@ -25,5 +25,5 @@
   "isolate": true,
   "icon": "https://i.imgur.com/DEUcdnP.png",
   "icon_background": "#FFFFFF",
-  "poster": "https://i.imgur.com/vfDDYqh.png"
-}
+  "poster": "https://user-images.githubusercontent.com/106374579/183656137-70a107a9-4497-40be-8e21-1a2c9d8d98f1.png"
+}