fix(traefik): Fix custom chain middleware settings (#2513)

* [Traefik] Fix custom chain middleware settings

* Bump version

charts/core/traefik/Chart.yaml

@@ -22,7 +22,7 @@ sources:
 - https://github.com/traefik/traefik-helm-chart
 - https://traefik.io/
 type: application
-version: 11.1.5
+version: 11.1.6
 annotations:
   truecharts.org/catagories: |
     - network

charts/core/traefik/templates/middlewares/chain.yaml

@@ -15,7 +15,7 @@ metadata:
 spec:
   chain:
     middlewares:
-      {{ range $index, $chainData := . }}
-      - name: {{ printf "%v-%v@%v" $namespace $chainData.name "kubernetescrd" }}
+      {{ range $index, $middleware := .middlewares }}
+      - name: {{ printf "%v-%v@%v" $namespace $middleware "kubernetescrd" }}
       {{ end }}
 {{ end }}