fix CI after adding setup tools dependency

Author: mikeferguson

package.xml

@@ -13,6 +13,9 @@
 
   <buildtool_depend>catkin</buildtool_depend>
 
+  <build_depend condition="$ROS_PYTHON_VERSION == 2">python-setuptools</build_depend>
+  <build_depend condition="$ROS_PYTHON_VERSION == 3">python3-setuptools</build_depend>
+
   <exec_depend>actionlib</exec_depend>
   <exec_depend>geometry_msgs</exec_depend>
   <exec_depend>moveit_msgs</exec_depend>