chore(argo-workflows): Update ArgoWorkflows to v3.4.3 (#1610)

Signed-off-by: yu-croco <yu.croco@gmail.com>

charts/argo-workflows/Chart.yaml

@@ -1,9 +1,9 @@
 apiVersion: v2
-appVersion: v3.4.2
+appVersion: v3.4.3
 name: argo-workflows
 description: A Helm chart for Argo Workflows
 type: application
-version: 0.20.5
+version: 0.20.6
 icon: https://raw.githubusercontent.com/argoproj/argo-workflows/master/docs/assets/argo.png
 home: https://github.com/argoproj/argo-helm
 sources:
@@ -13,4 +13,4 @@ maintainers:
     url: https://argoproj.github.io/
 annotations:
   artifacthub.io/changes: |
-    - "[Fixed]: Removed invalid rbac block from configmap"
+    - "[Changed]: Update ArgoWorkflows to v3.4.3"