Describe the solution you'd like
The script should evaluate whether the load balancer appears to associated with an AKS cluster and block upgrade in that scenario. If the load balancer is named "kubernetes" and has tas "aks-managed-cluster-name", do not proceed with the migration
Warning should point to https://learn.microsoft.com/en-us/azure/aks/load-balancer-standard?#moving-from-a-basic-sku-load-balancer-to-standard-sku