Vagrantfile: Add support for openSUSE Leap 42.3
Vagrantfile: Add support for openSUSE Leap 42.3

Add support for provisioning kubespray on openSUSE Leap 42.3 virtual
machines.

Atoms/kubespray,kubernetes-sigs/kubespray,kubespray/kargo,kubernetes-sigs/kubespray,Atoms/kubespray,insequent/kargo,kubernetes-sigs/kubespray,kubespray/kargo,insequent/kargo,kubernetes-incubator/kargo,Atoms/kubespray,kubernetes-incubator/kubespray,kubernetes-incubator/kargo,kubernetes-sigs/kubespray,Atoms/kubespray,kubernetes-incubator/kubespray