add support for k8s v1.12.0-rc.2
See
@@ -81,6 +81,7 @@ var AllKubernetesSupportedVersions = map[string]bool{
"1.12.0-beta.0": true,
"1.12.0-beta.1": true,
"1.12.0-rc.1": true,
+ "1.12.0-rc.2": true,
}
// GetDefaultKubernetesVersion returns the default Kubernetes version, that is the latest patch of the default release
