libisofs from home:bmwiedemann:reproducible:test project

需要 openSUSE Tumbleweed ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:bmwiedemann:reproducible:test/openSUSE_Tumbleweed/home:bmwiedemann:reproducible:test.repo
zypper refresh
zypper install libisofs