Fix safe upgrade
Fix safe upgrade

Even though there it kubeadm_token_ttl=0 which means that kubeadm token never expires, it is not present in `kubeadm token list` after cluster is provisioned (at least after it is running for some time) and there is issue regarding this https://github.com/kubernetes/kubeadm/issues/335, so we need to create a new temporary token during the cluster upgrade.
kubernetes-incubator/kargo,kubespray/kargo,insequent/kargo,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,Atoms/kubespray,kubernetes-incubator/kubespray,kubernetes-sigs/kubespray,Atoms/kubespray,Abdelsalam-Abbas/kubespray_fork,Atoms/kubespray,Abdelsalam-Abbas/kubespray_fork,kubespray/kargo,kubernetes-incubator/kubespray,kubernetes-incubator/kargo,Atoms/kubespray,insequent/kargo