feat(tier4_perception_launch): change tlr pedestrian classifier model (autowarefoundation#10116)

change onnx model name

Signed-off-by: MasatoSaeki <masato.saeki@tier4.jp>

Author: MasatoSaeki

launch/tier4_perception_launch/launch/perception.launch.xml

@@ -116,7 +116,7 @@
   />
   <arg
     name="pedestrian_traffic_light_classifier_model_name"
-    default="ped_traffic_light_classifier_mobilenetv2_batch_4"
+    default="ped_traffic_light_classifier_mobilenetv2_batch_6"
     description="options: `ped_traffic_light_classifier_mobilenetv2_batch_*` or `ped_traffic_light_classifier_efficientNet_b1_batch_*`. The batch number must be either one of 1, 4, 6"
   />