tasks: Put back libvirt storage driver
tasks: Put back libvirt storage driver

This is necessary to run

    virt-install --os-variant fedora-rawhide --memory 2048 --noautoconsole --network none --location /tmp/fedora-rawhide-boot-*.iso

i.e. what Anaconda tests do.

cockpit-project/cockpituous,cockpit-project/cockpituous