chore(autoware_behavior_path_static_obstacle_avoidance_module): add maintainer (#9581)

Signed-off-by: Y.Hisaki <yhisaki31@gmail.com>

Author: yhisaki

planning/behavior_path_planner/autoware_behavior_path_static_obstacle_avoidance_module/package.xml

@@ -14,6 +14,7 @@
   <maintainer email="shumpei.wakabayashi@tier4.jp">Shumpei Wakabayashi</maintainer>
   <maintainer email="tomohito.ando@tier4.jp">Tomohito Ando</maintainer>
   <maintainer email="go.sakayori@tier4.jp">Go Sakayori</maintainer>
+  <maintainer email="yukinari.hisaki.2@tier4.jp">Yukinari Hisaki</maintainer>
 
   <license>Apache License 2.0</license>