Prepare for release (Azure#37246)

Author: JoshLove-msft

sdk/core/Azure.Core.Expressions.DataFactory/CHANGELOG.md

@@ -1,14 +1,18 @@
 # Release History
 
-## 1.0.0-beta.3 (Unreleased)
+## 1.0.0-beta.3 (2023-06-27)
 
 ### Features Added
 
+- Added `DataFactoryKeyVaultSecretReference`, `DataFactoryLinkedServiceReference`, `DataFactorySecretString`, and `DataFactorySecretBaseDefinition` types.
+
 ### Breaking Changes
 
+- Renamed `DataFactoryMaskedString` to `DataFactorySecretString`.
+
 ### Bugs Fixed
 
-### Other Changes
+- Fixed serialization of Key Vault References.
 
 ## 1.0.0-beta.2 (2023-04-10)