Enable-WriteCore-feature-for-synapse (#46299)

Author: welovej

sdk/synapse/Azure.ResourceManager.Synapse/CHANGELOG.md

@@ -5,6 +5,7 @@
 ### Features Added
 
 - Enable the new model serialization by using the System.ClientModel, refer this [document](https://aka.ms/azsdk/net/mrw) for more details.
+- Exposed `JsonModelWriteCore` for model serialization procedure.
 
 ### Breaking Changes
 

sdk/synapse/Azure.ResourceManager.Synapse/api/Azure.ResourceManager.Synapse.netstandard2.0.cs

@@ -2,5 +2,5 @@
   "AssetsRepo": "Azure/azure-sdk-assets",
   "AssetsRepoPrefixPath": "net",
   "TagPrefix": "net/synapse/Azure.ResourceManager.Synapse",
-  "Tag": "net/synapse/Azure.ResourceManager.Synapse_206d19e7f9"
+  "Tag": "net/synapse/Azure.ResourceManager.Synapse_219ce62c35"
 }