feat(argo-events): Use helm-docs for Argo Events (#1090)

Signed-off-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

charts/argo-events/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 description: A Helm chart to install Argo-Events in k8s Cluster
 name: argo-events
-version: 1.9.0
+version: 1.10.0
 keywords:
   - argo-events
   - sensor-controller
@@ -17,4 +17,4 @@ icon: https://argoproj.github.io/argo-events/assets/logo.png
 home: https://github.com/argoproj/argo-helm
 annotations:
   artifacthub.io/changes: |
-    - "[Added]: Allow specifying container security context for controllers"
+    - "[Changed]: Use helm-docs to generate README.md"