fix(argo-cd): fix subscriptions default value (#1197)

* fix subscriptions default value

Signed-off-by: Yixing Yan <yixingyan@gmail.com>

* update changelog

Signed-off-by: Yixing Yan <yixingyan@gmail.com>

* update argo-cd readme

Signed-off-by: Yixing Yan <yixingyan@gmail.com>

charts/argo-cd/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: v2.3.2
 description: A Helm chart for Argo CD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 4.2.2
+version: 4.2.3
 home: https://github.com/argoproj/argo-helm
 icon: https://argo-cd.readthedocs.io/en/stable/assets/logo.png
 keywords:
@@ -21,4 +21,4 @@ dependencies:
     condition: redis-ha.enabled
 annotations:
   artifacthub.io/changes: |
-    - "[Changed]: Update to Argo CD v2.3.2"
+    - "[Fixed]: Correct ArgoCD notification subscriptions type"