Add Default backend HPA autoscaling.

charts/ingress-nginx/Chart.yaml

@@ -1,6 +1,6 @@
 apiVersion: v1
 name: ingress-nginx
-version: 3.8.0
+version: 3.9.0
 appVersion: 0.41.0
 home: https://github.com/kubernetes/ingress-nginx
 description: Ingress controller for Kubernetes using NGINX as a reverse proxy and load balancer
@@ -16,8 +16,4 @@ engine: gotpl
 kubeVersion: ">=1.16.0-0"
 annotations:
   artifacthub.io/changes: |
-    - Update jettech/kube-webhook-certgen image
-    - Added loadBalancerSourceRanges for internal lbs
-    - Add securitycontext settings on defaultbackend
-    - Fix controller service annotations
-    - Initial helm chart changelog
+    - Add Default backend HPA autoscaling