Merge pull request kubernetes#92060 from lemonli/fix/dns-horizontal-autoscaler

update version to 1.8.1 in addon dns-horizontal-autoscaler.yaml

Author: k8s-ci-robot

cluster/addons/dns-horizontal-autoscaler/dns-horizontal-autoscaler.yaml

@@ -86,7 +86,7 @@ spec:
         kubernetes.io/os: linux
       containers:
       - name: autoscaler
-        image: k8s.gcr.io/cluster-proportional-autoscaler-amd64:1.8.0
+        image: k8s.gcr.io/cluster-proportional-autoscaler-amd64:1.8.1
         resources:
             requests:
                 cpu: "20m"