Update package.xml

Author: sgillen

greenwave_monitor_interfaces/package.xml

@@ -5,8 +5,8 @@
   <version>0.1.0</version>
   <description>Interfaces for the greenwave_monitor package</description>
   <maintainer email="[email protected]">Sean Gillen</maintainer>
-  <author> Sean Gillen/[email protected], Ann Li/[email protected]></author>
   <license>Apache-2.0</license>
+  <author>Sean Gillen/[email protected], Ann Li/[email protected]></author>
 
   <buildtool_depend>ament_cmake</buildtool_depend>
   <build_depend>rosidl_default_generators</build_depend>