Remove helm2 support and update docs

charts/ingress-nginx/Chart.yaml

@@ -1,8 +1,8 @@
-apiVersion: v1
+apiVersion: v2
 name: ingress-nginx
 # When the version is modified, make sure the artifacthub.io/changes list is updated
 # Also update CHANGELOG.md
-version: 3.11.1
+version: 3.12.0
 appVersion: 0.41.2
 home: https://github.com/kubernetes/ingress-nginx
 description: Ingress controller for Kubernetes using NGINX as a reverse proxy and load balancer
@@ -12,6 +12,7 @@ keywords:
   - nginx
 sources:
   - https://github.com/kubernetes/ingress-nginx
+type: application
 maintainers:
   - name: ChiefAlexander
 engine: gotpl
@@ -20,4 +21,4 @@ annotations:
   # List of changes for the release in artifacthub.io
   # https://artifacthub.io/packages/helm/ingress-nginx/ingress-nginx?modal=changelog
   artifacthub.io/changes: |
-    - Reorder HPA resource list to work with GitOps tooling
+    - Remove helm2 support and update docs