feat(argo-events): Adding additional RBAC for leader election (#1242)

* Issue 1565: Adding additional RBAC for leader election

Signed-off-by: David Collom <david.collom@jetstack.io>

* Adding Additional RBAC for Events

Signed-off-by: David Collom <david.collom@jetstack.io>

* Use consistent indent style

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

* Bump minor chart version and add changelog

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

Co-authored-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: 1.12.0
+version: 1.13.0
 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]: Add aggregate-roles (sync with upstream manifests)"
+    - "[Added]: Additional RBAC for leader election"