Fix empty Uri for AgentConfiguration (Azure#35546)

* Fix empty Uri for AgentConfiguration

* Prepare for release

* Prepare for release

Author: live1206

sdk/hybridcompute/Azure.ResourceManager.HybridCompute/CHANGELOG.md

@@ -1,14 +1,9 @@
 # Release History
 
-## 1.0.0-beta.3 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
+## 1.0.0-beta.3 (2023-04-17)
 
 ### Bugs Fixed
-
-### Other Changes
+- Fixed an issue that `System.UriFormatException` is thrown when `Uri` type field is empty during serialization of `AgentConfiguration`.
 
 ## 1.0.0-beta.2 (2023-02-17)
 

sdk/hybridcompute/Azure.ResourceManager.HybridCompute/src/Generated/Models/AgentConfiguration.Serialization.cs

@@ -59,4 +59,7 @@ rename-rules:
   URI: Uri
   Etag: ETag|etag
 
+models-to-treat-empty-string-as-null:
+  - AgentConfiguration
+
 ```