chore(pointcloud_preprocessor): add Max to codeowners (#10083)

chore(pointcloud_preprocessor): add Max to maintainers

Signed-off-by: Max SCHMELLER <max.schmeller@tier4.jp>

Author: mojomex

sensing/autoware_pointcloud_preprocessor/package.xml

@@ -14,6 +14,7 @@
   <maintainer email="yoshi.ri@tier4.jp">Yoshi Ri</maintainer>
   <maintainer email="david.wong@tier4.jp">David Wong</maintainer>
   <maintainer email="melike@leodrive.ai">Melike Tanrikulu</maintainer>
+  <maintainer email="max.schmeller@tier4.jp">Max Schmeller</maintainer>
   <license>Apache License 2.0</license>
   <!-- For polygon_remover, vector_map_filter -->
   <license>LGPLv3</license>