Userbot: Fix version heroku build errors

MoveAngel · MoveAngel · commit 5ef354bfc16f · 2020-02-09T23:47:03.000+07:00
diff --git a/app.json b/app.json
@@ -173,7 +173,7 @@
     {
       "plan": "heroku-postgresql",
       "options": {
-        "version": "9.9.9"
+        "version": "12"
       }
     }
   ]
