Added missing permissions for argo rollouts dashboard cluster role - for config map, should be able to get

Signed-off-by: Tal Yitzhak <talyi@jfrog.com>

charts/argo-rollouts/templates/dashboard/clusterrole.yaml

@@ -71,4 +71,10 @@ rules:
     verbs:
       - list
       - watch
-{{- end }}
+  - apiGroups:
+      - ""
+    resources:
+      - configmaps
+    verbs:
+      - get
+{{- end }}