[stable/metrics-server] Fix indentation for service labels. (#14541)

Signed-off-by: Constantin Bugneac <cosbug@gmail.com>

stable/metrics-server/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 appVersion: 0.3.2
 description: Metrics Server is a cluster-wide aggregator of resource usage data.
 name: metrics-server
-version: 2.8.0
+version: 2.8.1
 keywords:
 - metrics-server
 home: https://github.com/kubernetes-incubator/metrics-server

stable/metrics-server/templates/metric-server-service.yaml

@@ -8,7 +8,7 @@ metadata:
     release: {{ .Release.Name }}
     heritage: {{ .Release.Service }}
     {{- with .Values.service.labels }}
-    {{ toYaml . | indent 4}}
+    {{- toYaml . | indent 4}}
     {{- end }}
   annotations:
     {{- toYaml .Values.service.annotations | nindent 4 }}