fix: add exception to dialyzer

Author: edgurgel

lib/realtime_web/channels/realtime_channel/broadcast_handler.ex

@@ -125,6 +125,9 @@ defmodule RealtimeWeb.RealtimeChannel.BroadcastHandler do
     end
   end
 
+  # No idea why Dialyzer is complaining here
+  @dialyzer {:nowarn_function, build_broadcast: 2}
+
   # Message payload was built by V2 Serializer which was originally UserBroadcastPush
   defp build_broadcast(topic, {user_event, user_payload_encoding, user_payload}) do
     %RealtimeWeb.Socket.UserBroadcast{