Add sleep to groupme driver

drivers/groupme.py

@@ -85,6 +85,9 @@ class GroupMeBot(rollbot.Rollbot[GroupMeMessage]):
         )
 
     async def respond(self, res: rollbot.Response):
+        # sleep for a moment to make groupme not misorder messages
+        await asyncio.sleep(0.2)
+
         if res.origin_id != "GROUPME":
             self.context.logger.error(f"Unable to respond to {res.origin_id}")
             return