Update DOTNET to 8.0.

Author: TimShererWithAquent

learn-pr/azure-devops/deploy-azure-functions/includes/3-set-up-environment.md

@@ -200,7 +200,7 @@ Your solution requires several Azure resources for deployment, which you create
       --name $webName \
       --resource-group $rgName \
       --plan $planName \
-      --runtime "DOTNETCORE|6.0"
+      --runtime "DOTNETCORE|8.0"
     ```
 
 1. Azure Functions requires a storage account for deployment. Run the following `az storage account create` command to create it: