feat(argo-cd): add support for dual stack clusters (#2649)

* feat(argo-cd): add support for dual stack clusters

Signed-off-by: Ludovic Ortega <ludovic.ortega@adminafk.fr>

* fix: add suggested change

Signed-off-by: Ludovic Ortega <ludovic.ortega@adminafk.fr>

* fix: metric template & add suggested change

Signed-off-by: Ludovic Ortega <ludovic.ortega@adminafk.fr>

* fix: remove changelog in README.md.gotmpl

Signed-off-by: Ludovic Ortega <ludovic.ortega@adminafk.fr>

* fix: applicationset metric template

Signed-off-by: Ludovic Ortega <ludovic.ortega@adminafk.fr>

* fix: add changelog as annotation

Signed-off-by: Ludovic Ortega <ludovic.ortega@adminafk.fr>

* feat: use a global setting to enable dual stack

Signed-off-by: Ludovic Ortega <ludovic.ortega@adminafk.fr>

---------

Signed-off-by: Ludovic Ortega <ludovic.ortega@adminafk.fr>
Signed-off-by: Marco Maurer (-Kilchhofer) <mkilchhofer@users.noreply.github.com>
Co-authored-by: Aikawa <yu.croco@gmail.com>
Co-authored-by: Marco Maurer (-Kilchhofer) <mkilchhofer@users.noreply.github.com>

charts/argo-cd/templates/argocd-application-controller/metrics.yaml

@@ -24,6 +24,7 @@ spec:
   {{- if and .Values.controller.metrics.service.clusterIP (eq .Values.controller.metrics.service.type "ClusterIP") }}
   clusterIP: {{ .Values.controller.metrics.service.clusterIP }}
   {{- end }}
+  {{- include "argo-cd.dualStack" . | indent 2 }}
   ports:
   - name: {{ .Values.controller.metrics.service.portName }}
     protocol: TCP