Update index.yaml

Signed-off-by: k8s-ci-robot <k8s-ci-robot@users.noreply.github.com>

index.yaml

@@ -1,6 +1,30 @@
 apiVersion: v1
 entries:
   ingress-nginx:
+  - annotations:
+      artifacthub.io/changes: |
+        - Fix default backend annotation and tests
+      artifacthub.io/prerelease: "true"
+    apiVersion: v2
+    appVersion: 1.0.0-beta.3
+    created: "2021-08-13T22:32:20.870784614Z"
+    description: Ingress controller for Kubernetes using NGINX as a reverse proxy and load balancer
+    digest: c395a66693111c72094aad7badf42960ebcc9ce7ae06515dd0e9a8f114423eff
+    home: https://github.com/kubernetes/ingress-nginx
+    icon: https://upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Nginx_logo.svg/500px-Nginx_logo.svg.png
+    keywords:
+    - ingress
+    - nginx
+    kubeVersion: '>=1.19.0-0'
+    maintainers:
+    - name: ChiefAlexander
+    name: ingress-nginx
+    sources:
+    - https://github.com/kubernetes/ingress-nginx
+    type: application
+    urls:
+    - https://github.com/kubernetes/ingress-nginx/releases/download/helm-chart-4.0.0-beta.3/ingress-nginx-4.0.0-beta.3.tgz
+    version: 4.0.0-beta.3
   - annotations:
       artifacthub.io/changes: |
         - Drop support for extensions/v1beta1, networking.k8s.io/v1beta1