python-openstackclient from home:garloff:OTC:Bobcat project

需要 Cloud OpenStack 2023.2 15.5 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:garloff:OTC:Bobcat/Cloud_OpenStack_2023.2_15.5/home:garloff:OTC:Bobcat.repo
zypper refresh
zypper install python-openstackclient