Merge pull request #2103 from pipecat-ai/mb/add-user-id-to-transcript

Add user_id to transcription frames

CHANGELOG.md

@@ -40,6 +40,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   tools = ToolsSchema(standard_tools=[do_something])
   ```
 
+  - `user_id` is now populated in the `TranscriptionFrame` and
+    `InterimTranscriptionFrame` when using a transport that provides a
+    `user_id`, like `DailyTransport` or `LiveKitTransport`.
+
 - Added `watchdog_coroutine()`. This is a watchdog helper for couroutines. So,
   if you have a coroutine that is waiting for a result and that takes a long
   time, you will need to wrap it with `watchdog_coroutine()` so the watchdog