Added preview tags

Author: alkohli

azure-local/concepts/system-requirements-23h2.md

@@ -46,7 +46,7 @@ Here are the Azure requirements for your Azure Local instance:
    - South Central US
 
 
-   # [Azure Government](#tab/azure-government)
+   # [Azure Government (Preview)](#tab/azure-government)
 
    Regions supported in the Azure Government cloud:
 

azure-local/whats-new.md

@@ -69,7 +69,7 @@ This release has the following features and improvements:
 
 This is a baseline release with the following features and improvements:
 
-- **US Government regions** - Azure Local is now available in the US Government regions. For more information, see [Azure Local supported regions](./concepts/system-requirements-23h2.md#azure-requirements).
+- **Preview availability of Azure Government Cloud** - Azure Local is now available in the US Government regions in preview. For more information, see [Azure Local supported regions](./concepts/system-requirements-23h2.md#azure-requirements).
 
     The following preview features are not supported for Azure Local in Azure Government cloud: