chore(simple_planning_simulator): add maintainer (#9934)

.github/CODEOWNERS

@@ -204,7 +204,7 @@ simulator/autoware_carla_interface/** [email protected] mradityagio@gmail.
 simulator/dummy_perception_publisher/** [email protected]
 simulator/fault_injection/** [email protected]
 simulator/learning_based_vehicle_model/** [email protected] [email protected]
-simulator/simple_planning_simulator/** [email protected] [email protected] [email protected] [email protected] [email protected] [email protected]
+simulator/simple_planning_simulator/** [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected]
 simulator/tier4_dummy_object_rviz_plugin/** [email protected]
 simulator/vehicle_door_simulator/** [email protected]
 system/autoware_component_monitor/** [email protected] [email protected] [email protected]

simulator/simple_planning_simulator/package.xml

@@ -10,6 +10,7 @@
   <maintainer email="[email protected]">Mamoru Sobue</maintainer>
   <maintainer email="[email protected]">Zulfaqar Azmi</maintainer>
   <maintainer email="[email protected]">Temkei Kem</maintainer>
+  <maintainer email="[email protected]">Kotaro Yoshimoto</maintainer>
   <license>Apache License 2.0</license>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>