chore(autoware_pure_pursuit): add maintainer (#13530)

Add Takumi Odashima, who maintains the other packages of the trajectory follower.

Signed-off-by: Kazuki Komiya <290287332+kazkomiya@users.noreply.github.com>

Author: kazkomiya

control/autoware_pure_pursuit/package.xml

@@ -6,6 +6,7 @@
   <description>The pure_pursuit package</description>
   <maintainer email="takamasa.horibe@tier4.jp">Takamasa Horibe</maintainer>
   <maintainer email="takayuki.murooka@tier4.jp">Takayuki Murooka</maintainer>
+  <maintainer email="takumi.odashima@tier4.jp">Takumi Odashima</maintainer>
   <license>Apache License 2.0</license>
 
   <author email="berkay@leodrive.ai">Berkay Karaman</author>