For openSUSE Leap 15.1 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/spins:invis:rootpack:15:unstable/openSUSE_Leap_15.1/spins:invis:rootpack:15:unstable.repo
zypper refresh
zypper install dehydrated
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/spins:invis:rootpack:15:unstable/15.5/spins:invis:rootpack:15:unstable.repo
zypper refresh
zypper install dehydrated
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/spins:invis:rootpack:15:unstable/15.4/spins:invis:rootpack:15:unstable.repo
zypper refresh
zypper install dehydrated
For 15.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/spins:invis:rootpack:15:unstable/15.3/spins:invis:rootpack:15:unstable.repo
zypper refresh
zypper install dehydrated