fix(argo-workflows): Helm syntax on SSO configuration (#1493)

Signed-off-by: yu-croco <yu.croco@gmail.com>

charts/argo-workflows/Chart.yaml

@@ -3,7 +3,7 @@ appVersion: v3.4.0
 name: argo-workflows
 description: A Helm chart for Argo Workflows
 type: application
-version: 0.19.5
+version: 0.19.6
 icon: https://raw.githubusercontent.com/argoproj/argo-workflows/master/docs/assets/argo.png
 home: https://github.com/argoproj/argo-helm
 sources:
@@ -13,4 +13,4 @@ maintainers:
     url: https://argoproj.github.io/
 annotations:
   artifacthub.io/changes: |
-    - "[Fixed]: Fixed failed sso configuration"
+    - "[Fixed]: Helm syntax on SSO configuration"

charts/argo-workflows/templates/controller/workflow-controller-config-map.yaml

@@ -142,7 +142,7 @@ data:
       issuerAlias: {{ .issuerAlias }}
       {{- end }}
       {{- if .sessionExpiry }}
-      sessionExpiry: .sessionExpiry
+      sessionExpiry: {{ .sessionExpiry }}
       {{- end }}
       {{- if .customGroupClaimName }}
       customGroupClaimName: {{ .customGroupClaimName }}