chore(detection): add maintainer (#6450)

Signed-off-by: kminoda <koji.minoda@tier4.jp>
Signed-off-by: Kotaro Yoshimoto <pythagora.yoshimoto@gmail.com>

Author: kminoda

perception/image_projection_based_fusion/package.xml

@@ -10,6 +10,7 @@
   <maintainer email="dai.nguyen@tier4.jp">badai nguyen</maintainer>
   <maintainer email="kotaro.uetake@tier4.jp">Kotaro Uetake</maintainer>
   <maintainer email="tao.zhong@tier4.jp">Tao Zhong</maintainer>
+  <maintainer email="koji.minoda@tier4.jp">Koji Minoda</maintainer>
   <license>Apache License 2.0</license>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>

perception/lidar_centerpoint/package.xml

@@ -5,6 +5,7 @@
   <version>1.0.0</version>
   <description>The lidar_centerpoint package</description>
   <maintainer email="kenzo.lobos@tier4.jp">Kenzo Lobos-Tsunekawa</maintainer>
+  <maintainer email="koji.minoda@tier4.jp">Koji Minoda</maintainer>
   <license>Apache License 2.0</license>
 
   <buildtool_depend>ament_cmake_auto</buildtool_depend>