add classname nginx

Signed-off-by: philipp.achmueller <philipp.achmueller@suxess-it.com>

platform-apps/charts/kubecost/values-metalstack.yaml

@@ -684,7 +684,7 @@ cost-analyzer:
   # Basic Kubecost ingress, more examples available at https://github.com/kubecost/docs/blob/main/ingress-examples.md
   ingress:
     enabled: true
-    # className: nginx
+    className: nginx
     labels:
       # kubernetes.io/ingress.class: nginx
       # kubernetes.io/tls-acme: "true"