For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tsaupe:branches:systemsmanagement:Agama:Staging:ALP-live-installer/openSUSE_Tumbleweed/home:tsaupe:branches:systemsmanagement:Agama:Staging:ALP-live-installer.repo
zypper refresh
zypper install dracut
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:tsaupe:branches:systemsmanagement:Agama:Staging:ALP-live-installer/15.5/home:tsaupe:branches:systemsmanagement:Agama:Staging:ALP-live-installer.repo
zypper refresh
zypper install dracut