Release new helm chart with certgen fixed (#7478)

* Update go version, modules and remove ioutil

* Release new helm chart with certgen fixed

charts/ingress-nginx/Chart.yaml

@@ -2,8 +2,8 @@ apiVersion: v2
 name: ingress-nginx
 # When the version is modified, make sure the artifacthub.io/changes list is updated
 # Also update CHANGELOG.md
-version: 4.0.0
-appVersion: 1.0.0-beta.1
+version: 4.0.0-beta.2
+appVersion: 1.0.0-beta.2
 home: https://github.com/kubernetes/ingress-nginx
 description: Ingress controller for Kubernetes using NGINX as a reverse proxy and load balancer
 icon: https://upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Nginx_logo.svg/500px-Nginx_logo.svg.png
@@ -25,3 +25,4 @@ annotations:
   # https://artifacthub.io/packages/helm/ingress-nginx/ingress-nginx?modal=changelog
   artifacthub.io/changes: |
     - Drop support for extensions/v1beta1, networking.k8s.io/v1beta1
+    - Change webhook-certgen to use internal image

charts/ingress-nginx/values.yaml

@@ -532,12 +532,13 @@ controller:
     patch:
       enabled: true
       image:
-        registry: docker.io
-        image: jettech/kube-webhook-certgen
+        registry: k8s.gcr.io
+        image: ingress-nginx/kube-webhook-certgen
         # for backwards compatibility consider setting the full image url via the repository value below
         # use *either* current default registry/image or repository format or installing chart by providing the values.yaml will fail
         # repository:
-        tag: v1.5.1
+        tag: v1.0
+        digest: sha256:f3b6b39a6062328c095337b4cadcefd1612348fdd5190b1dcbcb9b9e90bd8068
         pullPolicy: IfNotPresent
       ## Provide a priority class name to the webhook patching job
       ##