Add v1 lockdown statement

Author: ntrogh

articles/lab-services/includes/lab-services-new-update-note.md

@@ -9,3 +9,7 @@ ms.custom: devdivchpfy22
 > For greater performance gains, we recommend that you use the [August 2022 Update](../lab-services-whats-new.md).
 >
 > As part of the August 2022 update, **Azure Lab Services Lab Plans** replace lab accounts. For new customers, learn how you can get started by [creating a lab plan](../tutorial-setup-lab-plan.md). For existing lab account customers we recommend that you [transition from lab accounts to lab plans](../migrate-to-2022-update.md).
+>
+> Beginning **February 16th, 2023**, you won't be able to create a **Lab Account** to use the service in specific locations. If you have a new subscription, you will instead be able to create a **Lab plan** to use the service. 
+>
+> If you already have a Lab account, you can continue to use it and if you need additional lab accounts, as an exception, you can submit an Azure support ticket.