Для 15.7 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:wicked:qubes-build/15.7/home:wicked:qubes-build.repo
zypper refresh
zypper install gpgme
Для 15.6 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:wicked:qubes-build/15.6/home:wicked:qubes-build.repo
zypper refresh
zypper install gpgme
Для 15.5 запустите от имени root:
zypper addrepo https://download.opensuse.org/repositories/home:wicked:qubes-build/15.5/home:wicked:qubes-build.repo
zypper refresh
zypper install gpgme