Add missing state interfaces for get_version service#216

VinDp merged 1 commit intoUniversalRobots:ironUniversalRobots/Universal_Robots_ROS2_Description:ironfrom

fmauch:iron_add_get_version_interfacesfmauch/Universal_Robots_ROS2_Description:iron_add_get_version_interfacesCopy head branch name to clipboard