feat(argo-cd): Add support for extension (#1050)

* add support for extension

Signed-off-by: Qing Ye <ye.qing@gojek.com>

* add volume mounts

Signed-off-by: Qing Ye <ye.qing@gojek.com>

* add RBAC

Signed-off-by: Qing Ye <ye.qing@gojek.com>

* add more control to extensions values and update readme

Signed-off-by: Qing Ye <ye.qing@gojek.com>

* remove trailing spaces in values file

Signed-off-by: Qing Ye <ye.qing@gojek.com>

* add missing extensions.enabled

Signed-off-by: Qing Ye <ye.qing@gojek.com>

* Update charts/argo-cd/Chart.yaml

Co-authored-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>
Signed-off-by: Qing Ye <ye.qing@gojek.com>

* add comment to extensions values

Signed-off-by: Qing Ye <ye.qing@gojek.com>

Co-authored-by: Qing Ye <ye.qing@gojek.com>
Co-authored-by: Marko Bevc <marko@scalefactory.com>
Co-authored-by: Marco Kilchhofer <mkilchhofer@users.noreply.github.com>

charts/argo-cd/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 appVersion: v2.1.7
 description: A Helm chart for ArgoCD, a declarative, GitOps continuous delivery tool for Kubernetes.
 name: argo-cd
-version: 3.27.1
+version: 3.28.0
 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: |
-    - "[Added]: Mention declarative set up for Argo CD in README.md"
+    - "[Added]: add extensions support"