fix build validation warnings

Author: amsliu

support/azure/azure-kubernetes/error-codes/aks-upgrade-blocked.md

@@ -14,10 +14,10 @@ ms.custom: sap:Create, Upgrade, Scale and Delete operations (cluster or nodepool
 
 This article requires Azure CLI version 2.67.0 or a later version.
 To find the version number, run `az --version`. If you have to install or
-upgrade Azure CLI, see [How to install the Azure CLI](https://learn.microsoft.com/en-us/cli/azure/install-azure-cli).
+upgrade Azure CLI, see [How to install the Azure CLI](/cli/azure/install-azure-cli).
 
 For more detailed information about the upgrade process, see the "Upgrade an AKS cluster" section in
-[Upgrade an Azure Kubernetes Service (AKS) cluster](https://learn.microsoft.com/en-us/azure/aks/upgrade-cluster#upgrade-an-aks-cluster).
+[Upgrade an Azure Kubernetes Service (AKS) cluster](/azure/aks/upgrade-cluster#upgrade-an-aks-cluster).
 
 ## Symptoms