Update Azure Function instance and toll version to 4.x

Author: saragluna

articles/spring-apps/tutorial-managed-identities-functions.md

@@ -25,7 +25,7 @@ Both Azure Functions and App Services have built in support for Azure Active Dir
 * [Sign up for an Azure subscription](https://azure.microsoft.com/free/)
 * [Install the Azure CLI version 2.45.0 or higher](/cli/azure/install-azure-cli)
 * [Install Maven 3.0 or higher](https://maven.apache.org/download.cgi)
-* [Install the Azure Functions Core Tools version 3.0.2009 or higher](../azure-functions/functions-run-local.md#install-the-azure-functions-core-tools)
+* [Install the Azure Functions Core Tools version 4.x](../azure-functions/functions-run-local.md#install-the-azure-functions-core-tools)
 
 ## Create a resource group
 
@@ -60,7 +60,7 @@ az functionapp create \
     --os-type windows \
     --runtime node \
     --storage-account <your-storageaccount-name> \
-    --functions-version 3
+    --functions-version 4
 ```
 
 Make a note of the returned `hostNames` value, which is in the format *https://\<your-functionapp-name>.azurewebsites.net*. You use this value in a following step.