Enable-WriteCore-feature-for-websites and release a new version (Azure#46305)

* Enable-WriteCore-feature-for-websites

* Add temporary attribute to fix pipeline error

* release preparation

Author: welovej

sdk/websites/Azure.ResourceManager.AppService/CHANGELOG.md

@@ -1,14 +1,10 @@
 # Release History
 
-## 1.3.0-beta.1 (Unreleased)
+## 1.3.0-beta.1 (2024-10-14)
 
 ### Features Added
 
-### Breaking Changes
-
-### Bugs Fixed
-
-### Other Changes
+- Exposed `JsonModelWriteCore` for model serialization procedure.
 
 ## 1.2.0 (2024-07-29)
 

sdk/websites/Azure.ResourceManager.AppService/api/Azure.ResourceManager.AppService.netstandard2.0.cs

@@ -2,5 +2,5 @@
   "AssetsRepo": "Azure/azure-sdk-assets",
   "AssetsRepoPrefixPath": "net",
   "TagPrefix": "net/websites/Azure.ResourceManager.AppService",
-  "Tag": "net/websites/Azure.ResourceManager.AppService_e091dae461"
+  "Tag": "net/websites/Azure.ResourceManager.AppService_0a973b5d60"
 }