Fix scopt for adapter rules

charts/kubezero-metrics/values.yaml

@@ -118,6 +118,7 @@ prometheus-adapter:
     node-role.kubernetes.io/master: ""
   # Basic rules for HPA to work replacing heaptster, taken from kube-prometheus project
   # https://github.com/coreos/kube-prometheus/blob/master/manifests/prometheus-adapter-configMap.yaml
+  rules:
     resource:
       cpu:
         containerQuery: sum(rate(container_cpu_usage_seconds_total{<<.LabelMatchers>>}[3m])) by (<<.GroupBy>>)