fix(tier4_vehicle_launch): fix typo

Signed-off-by: Makoto Kurihara <mkuri8m@gmail.com>

Author: mkuri

launch/tier4_vehicle_launch/launch/vehicle.launch.xml

@@ -4,7 +4,7 @@
   <arg name="vehicle_model" description="vehicle model name"/>
   <arg name="sensor_model" description="sensor model name"/>
   <arg name="vehicle_id" default="$(env VEHICLE_ID default)" description="vehicle specific ID"/>
-  <arg name="is_redundancy" default="false" description="is system redundancy?"/>
+  <arg name="is_redundant" default="false" description="is system redundant?"/>
   <arg name="initial_engage_state" default="false" description="/vehicle/engage state after starting Autoware"/>
   <arg name="config_dir" default="$(find-pkg-share $(var sensor_model)_description)/config" description="path to dir where sensors_calibration.yaml, etc. are located"/>
   <arg name="raw_vehicle_cmd_converter_param_path" default="$(find-pkg-share autoware_raw_vehicle_cmd_converter)/config/raw_vehicle_cmd_converter.param.yaml"/>
@@ -23,7 +23,7 @@
   <group if="$(var launch_vehicle_interface)">
     <include file="$(var vehicle_launch_pkg)/launch/vehicle_interface.launch.xml">
       <arg name="vehicle_id" value="$(var vehicle_id)"/>
-      <arg name="is_redundancy" value="$(var is_redundancy)"/>
+      <arg name="is_redundancy" value="$(var is_redundant)"/>
       <arg name="raw_vehicle_cmd_converter_param_path" value="$(var raw_vehicle_cmd_converter_param_path)"/>
       <arg name="initial_engage_state" value="$(var initial_engage_state)"/>
     </include>