Fix kube_version to include 'v' again
Fix kube_version to include 'v' again

https://github.com/kubernetes-incubator/kargo/pull/736 missed this
rogerwelin/kargo,hatch-k8s/kargo,kubernetes-sigs/kubespray,insequent/kargo,Lendico/kargo,Atoms/kubespray,kubespray/kargo,galthaus/setup-kubernetes,galthaus/setup-kubernetes,VincentS/kargo,Atoms/kubespray,kubernetes-incubator/kargo,Lendico/kargo,VincentS/kargo,insequent/kargo,rogerwelin/kargo,Atoms/kubespray,Abdelsalam-Abbas/kubespray_fork,Atoms/kubespray,sgm-media/kargo,kubernetes-incubator/kargo,hatch-k8s/kargo,sgm-media/kargo,kubernetes-sigs/kubespray,kubernetes-sigs/kubespray,Abdelsalam-Abbas/kubespray_fork,kubernetes-incubator/kubespray,kubespray/kargo,kubernetes-incubator/kubespray,ayaz/kubespray,kubernetes-sigs/kubespray,ayaz/kubespray