Update azure-portal-safelist-urls.md

Author: SwathiDhanwada-MSFT

articles/azure-portal/azure-portal-safelist-urls.md

@@ -70,6 +70,7 @@ api.loganalytics.io (Log Analytics Service)
 appservice.azure.com (Azure App Services)
 *.arc.azure.net (Azure Arc)
 asazure.windows.net (Analysis Services)
+adf.azure.com (Azure Data Factory)
 bastion.azure.com (Azure Bastion Service)
 batch.azure.com (Azure Batch Service)
 catalogapi.azure.com (Azure Marketplace)