Prepare for release (Azure#39616)

Author: JoshLove-msft

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

@@ -1,14 +1,11 @@
 # Release History
 
-## 1.0.0-beta.6 (Unreleased)
-
-### Features Added
-
-### Breaking Changes
+## 1.0.0-beta.6 (2023-11-02)
 
 ### Bugs Fixed
 
-### Other Changes
+- Fixed deserialization of `DataFactoryElement<BinaryData>` properties where the underlying data 
+  is not a JSON object.
 
 ## 1.0.0-beta.5 (2023-08-15)