Change certain DNF command failures to throw StopActorExecutionError error instead of CalledProcessError#29

prilr merged 2 commits intocloudlinuxcloudlinux/leapp-repository:cloudlinuxfrom

clos-3068-leapp-preupgrade-dnf-crashcloudlinux/leapp-repository:clos-3068-leapp-preupgrade-dnf-crashCopy head branch name to clipboard