google-guest-agent from Cloud:Images:Leap_15.2 project

需要 openSUSE Leap 15.2 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/Cloud:Images:Leap_15.2/openSUSE_Leap_15.2/Cloud:Images:Leap_15.2.repo
zypper refresh
zypper install google-guest-agent