cpu hpa update

helm/petclinic/templates/petclinic-cpu-hpa.yaml

-apiVersion: autoscaling/v2beta1
+apiVersion: autoscaling/v1
 kind: HorizontalPodAutoscaler
 metadata:
-  name: petclinic-mem-hpa
+ name: petclicnic-hpa
 spec:
  maxReplicas: 5
  minReplicas: 1
  scaleTargetRef:
-    apiVersion: apps/v1
+   apiVersion: extensions/v1beta1
    kind: Deployment
    name: petclinic-deployment
-targetCPUUtilizationPercentage: 50
+ targetCPUUtilizationPercentage: 50
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