Update maintainers to Audrow Nash (#135) (#136)

Signed-off-by: Audrow Nash <audrow@hey.com>
(cherry picked from commit 46571c0)

Co-authored-by: Audrow Nash <audrow@hey.com>

package.xml

@@ -4,11 +4,13 @@
   <name>ament_package</name>
   <version>0.12.0</version>
   <description>The parser for the manifest files in the ament buildsystem.</description>
-  <maintainer email="mabel@openrobotics.org">Mabel Zhang</maintainer>
+
   <maintainer email="audrow@openrobotics.org">Audrow Nash</maintainer>
+
   <license>Apache License 2.0</license>
 
   <author email="dthomas@osrfoundation.org">Dirk Thomas</author>
+  <author email="mabel@openrobotics.org">Mabel Zhang</author>
 
   <depend>python3-importlib-metadata</depend>
   <depend>python3-importlib-resources</depend>

setup.py

@@ -15,8 +15,8 @@
     zip_safe=True,
     author='Dirk Thomas',
     author_email='dthomas@osrfoundation.org',
-    maintainer='Mabel Zhang',
-    maintainer_email='mabel@openrobotics.org',
+    maintainer='Audrow Nash',
+    maintainer_email='audrow@openrobotics.org',
     url='https://github.com/ament/ament_package/wiki',
     download_url='https://github.com/ament/ament_package/releases',
     keywords=['ROS'],