chore: Configure argo workflows permissions

ansible/vars/metacluster.yml

@@ -85,11 +85,19 @@ components:
       chart: argo/argo-workflows
       parse_logic: helm template . | yq --no-doc eval '.. | .image? | select(.)' | sort -u | awk '!/ /'
       chart_values: !unsafe |
+        # workflow:
+        #   serviceAccount:
+        #     create: true
+        #     name: "argo-workflows"
+        #   rbac:
+        #     create: true
         controller:
           workflowNamespaces:
             - default
             - firstboot
         server:
+          authModes:
+            - server
           ingress:
             enabled: true
             hosts: