fix: update executable name

Signed-off-by: Taekjin LEE <taekjin.lee@tier4.jp>

Author: technolojin

perception/multi_object_tracker/launch/multi_object_tracker.launch.xml

@@ -6,7 +6,7 @@
   <arg name="data_association_matrix_path" default="$(find-pkg-share multi_object_tracker)/config/data_association_matrix.param.yaml"/>
   <arg name="input_channels_path" default="$(find-pkg-share multi_object_tracker)/config/input_channels.param.yaml"/>
 
-  <node pkg="multi_object_tracker" exec="multi_object_tracker" name="multi_object_tracker" output="screen">
+  <node pkg="multi_object_tracker" exec="multi_object_tracker_node" name="multi_object_tracker" output="screen">
     <param name="selected_input_channels" value="$(var selected_input_channels)"/>
     <remap from="output" to="$(var output)"/>
     <param from="$(var tracker_setting_path)"/>