Update rancher k8s template ID

Change-Id: Ia2afe01c97812ae74faf9945451a00a84c93aa15
Issue-ID: INT-993
Signed-off-by: Gary Wu <gary.i.wu@huawei.com>
diff --git a/deployment/heat/onap-oom/onap-oom.yaml b/deployment/heat/onap-oom/onap-oom.yaml
index dfea004..1f6f7d2 100644
--- a/deployment/heat/onap-oom/onap-oom.yaml
+++ b/deployment/heat/onap-oom/onap-oom.yaml
@@ -81,7 +81,7 @@
 
   kubectl_version:
     type: string
-    default: "1.11.6"
+    default: "1.11.8"
 
   helm_version:
     type: string