chore(argo-cd): create roles instead of rolebindings when singleNamespace is true (#530)

Co-authored-by: Vlad Losev <vladlosev@users.noreply.github.com>
Co-authored-by: Sean Johnson <seanson@users.noreply.github.com>

charts/argo/templates/workflow-aggregate-roles.yaml

@@ -1,6 +1,10 @@
 {{- if .Values.createAggregateRoles }}
 apiVersion: rbac.authorization.k8s.io/v1
+{{- if .Values.singleNamespace }}
+kind: Role
+{{ else }}
 kind: ClusterRole
+{{- end }}
 metadata:
   annotations:
     helm.sh/hook: pre-install
@@ -26,7 +30,11 @@ rules:
   - watch
 ---
 apiVersion: rbac.authorization.k8s.io/v1
+{{- if .Values.singleNamespace }}
+kind: Role
+{{ else }}
 kind: ClusterRole
+{{- end }}
 metadata:
   annotations:
     helm.sh/hook: pre-install
@@ -57,7 +65,11 @@ rules:
   - watch
 ---
 apiVersion: rbac.authorization.k8s.io/v1
+{{- if .Values.singleNamespace }}
+kind: Role
+{{ else }}
 kind: ClusterRole
+{{- end }}
 metadata:
   annotations:
     helm.sh/hook: pre-install