kalarm from home:krop:Qt6:Release:kde_rebuild project

需要 Tumbleweed ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:krop:Qt6:Release:kde_rebuild/Tumbleweed/home:krop:Qt6:Release:kde_rebuild.repo
zypper refresh
zypper install kalarm