Add ability to set mqtt qos in config (#16435)

frigate/comms/mqtt.py

@@ -31,7 +31,10 @@ class MqttClient(Communicator):  # type: ignore[misc]
             return
 
         self.client.publish(
-            f"{self.mqtt_config.topic_prefix}/{topic}", payload, retain=retain
+            f"{self.mqtt_config.topic_prefix}/{topic}",
+            payload,
+            qos=self.config.mqtt.qos,
+            retain=retain,
         )
 
     def stop(self) -> None:
@@ -151,7 +154,7 @@ class MqttClient(Communicator):  # type: ignore[misc]
 
         self.connected = True
         logger.debug("MQTT connected")
-        client.subscribe(f"{self.mqtt_config.topic_prefix}/#")
+        client.subscribe(f"{self.mqtt_config.topic_prefix}/#", qos=self.config.mqtt.qos)
         self._set_initial_topics()
 
     def _on_disconnect(