Fix: Wiferion Charger Dependency (#221)

Add wiferion_charger dependency to clearpath_sensors

Author: luis-camero

clearpath_sensors/package.xml

@@ -32,6 +32,7 @@
   <exec_depend>velodyne_driver</exec_depend>
   <exec_depend>velodyne_pointcloud</exec_depend>
   <exec_depend>velodyne_laserscan</exec_depend>
+  <exec_depend>wiferion_charger</exec_depend>
 
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