feat(argo-workflows): Add parameter to enable or disable server and controller roles (#1166)

* optional role

Signed-off-by: Carl Raiden Worley <carl.worley@10gen.com>

* match existing setting

Signed-off-by: Carl Raiden Worley <carl.worley@10gen.com>

* fix lint

Signed-off-by: Carl Raiden Worley <carl.worley@10gen.com>

charts/argo-workflows/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: argo-workflows
 description: A Helm chart for Argo Workflows
 type: application
-version: 0.11.2
+version: 0.12.0
 appVersion: v3.2.9
 icon: https://raw.githubusercontent.com/argoproj/argo-workflows/master/docs/assets/argo.png
 home: https://github.com/argoproj/argo-helm
@@ -15,4 +15,4 @@ maintainers:
   - name: benjaminws
 annotations:
   artifacthub.io/changes: |
-    - "[Changed]: Update to app version v3.2.9"
+    - "[Added]: Add parameter for enabling roles."