Update private-endpoint-dns.md

Correcting the Power BI Private DNS zone name to allign with PBI/Fabric platform documentation https://learn.microsoft.com/en-us/fabric/security/security-private-links-use

According to PG's feedback on this ICM https://portal.microsofticm.com/imp/v5/incidents/details/522712153/summary 
"privatelink.tip1.powerquery.microsoft.com is an internal DNS mapping to one of our test environments. Cx should resolve the DNS for the prod which is privatelink.prod.powerquery.microsoft.com."

Author: BassemMounir

articles/private-link/private-endpoint-dns.md

@@ -81,7 +81,7 @@ For Azure services, use the recommended zone names as described in the following
 > | Azure Data Factory (Microsoft.DataFactory/factories) | portal | privatelink.adf.azure.com | adf.azure.com |
 > | Azure HDInsight (Microsoft.HDInsight/clusters) | gateway </br> headnode | privatelink.azurehdinsight.net | azurehdinsight.net |
 > | Azure Data Explorer (Microsoft.Kusto/Clusters) | cluster | privatelink.{regionName}.kusto.windows.net </br> privatelink.blob.core.windows.net </br> privatelink.queue.core.windows.net </br> privatelink.table.core.windows.net | {regionName}.kusto.windows.net </br> blob.core.windows.net </br> queue.core.windows.net </br> table.core.windows.net |
-> | Microsoft Power BI (Microsoft.PowerBI/privateLinkServicesForPowerBI) | tenant | privatelink.analysis.windows.net </br> privatelink.pbidedicated.windows.net </br> privatelink.tip1.powerquery.microsoft.com | analysis.windows.net </br> pbidedicated.windows.net </br> tip1.powerquery.microsoft.com |
+> | Microsoft Power BI (Microsoft.PowerBI/privateLinkServicesForPowerBI) | tenant | privatelink.analysis.windows.net </br> privatelink.pbidedicated.windows.net </br> privatelink.prod.powerquery.microsoft.com | analysis.windows.net </br> pbidedicated.windows.net </br> prod.powerquery.microsoft.com |
 > | Azure Databricks (Microsoft.Databricks/workspaces) | databricks_ui_api </br> browser_authentication | privatelink.azuredatabricks.net | azuredatabricks.net |
 > | Microsoft Fabric (Microsoft.Fabric/privateLinkServicesForFabric) | workspace | privatelink.fabric.microsoft.com  | fabric.microsoft.com |