kube-node-ready-controller: Update to version master-68

Update container-registry.zalando.net/teapot/kube-node-ready-controller to version master-68

Author: k8s-on-aws-manager-app[bot]

cluster/manifests/kube-node-ready-controller/daemonset.yaml

@@ -38,7 +38,7 @@ spec:
       dnsPolicy: Default
       containers:
       - name: controller
-        image: container-registry.zalando.net/teapot/kube-node-ready-controller:master-67
+        image: container-registry.zalando.net/teapot/kube-node-ready-controller:master-68
         resources:
           requests:
             cpu: {{.Cluster.ConfigItems.kube_node_ready_controller_cpu}}