Update changelog (#52967)

Author: rhurey

sdk/ai/Azure.AI.VoiceLive/CHANGELOG.md

@@ -6,10 +6,31 @@
 
 ### Breaking Changes
 
+- **SessionResponse changes:**
+  - Removed public `Object` property (now internal)
+  - Renamed `ModalitiesInternal` property to `Modalities`
+  - Changed `Voice` property type from `BinaryData` to strongly typed `VoiceProvider`
+  - Changed `MaxOutputTokens` property type from `BinaryData` to strongly typed `MaxResponseOutputTokensOption`
+
+- **SessionResponseItem changes:**
+  - Removed public `Object` property (now internal)
+
+- **VoiceLiveSessionResponse changes:**
+  - No longer inherits from `VoiceLiveSessionOptions` 
+  - Constructor changed from internal to public
+  - Properties now have public setters: `Id`, `Model`, `Animation`, `Instructions`, `InputAudioSamplingRate`, `InputAudioFormat`, `OutputAudioFormat`, `InputAudioNoiseReduction`, `InputAudioEchoCancellation`, `Avatar`, `InputAudioTranscription`, `Temperature`
+  - Added new read-only properties: `Voice`, `MaxResponseOutputTokens`, `ToolChoice`, `TurnDetection`
+
+- **VoiceProvider changes:**
+  - Removed internal `ToBinaryData()` method
+
 ### Bugs Fixed
 
 ### Other Changes
 
+- Improved API design by replacing `BinaryData` properties with strongly typed models for better type safety and developer experience
+- Removed unnecessary custom implementation files for voice provider classes
+
 ## 1.0.0-beta.4 (2025-09-30)
 
 ### Breaking Changes