gl2ps from home:neotinker3:ROS:ROS1:melodic:external_dependencies:staging project

需要 15.3 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:neotinker3:ROS:ROS1:melodic:external_dependencies:staging/15.3/home:neotinker3:ROS:ROS1:melodic:external_dependencies:staging.repo
zypper refresh
zypper install gl2ps