fix(argo-events): add namespace field for namespace scoped resources (#1959)

* fix(argo-events): add namespace field for namespace scoped resources
Signed-off-by: yu-croco <yu.croco@gmail.com>

* Apply suggestion from code review

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

---------

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

@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: v1.7.6
 description: A Helm chart for Argo Events, the event-driven workflow automation framework
 name: argo-events
-version: 2.1.6
+version: 2.2.0
 home: https://github.com/argoproj/argo-helm
 icon: https://argoproj.github.io/argo-events/assets/logo.png
 keywords:
@@ -16,4 +16,4 @@ maintainers:
 annotations:
   artifacthub.io/changes: |
     - kind: fixed
-      description: fix toYaml function in deployment template for envFrom block
+      description: add namespace field for namespace scoped resources