chore(avoidance): add maintainer (autowarefoundation#6387)

Signed-off-by: satoshi-ota <satoshi.ota928@gmail.com>

Author: satoshi-ota

planning/behavior_path_avoidance_module/package.xml

@@ -6,6 +6,7 @@
   <description>The behavior_path_avoidance_module package</description>
 
   <maintainer email="takamasa.horibe@tier4.jp">Takamasa Horibe</maintainer>
+  <maintainer email="zulfaqar.azmi@tier4.jp">Zulfaqar Azmi</maintainer>
   <maintainer email="satoshi.ota@tier4.jp">Satoshi Ota</maintainer>
   <maintainer email="fumiya.watanabe@tier4.jp">Fumiya Watanabe</maintainer>
   <maintainer email="kyoichi.sugahara@tier4.jp">Kyoichi Sugahara</maintainer>