chore: release 2.2.4 (#123)

Prepare releasing **2.2.4**

After this pull request is merged, the following steps below will be
going on:

* Create tag for **2.2.4**
* Publish to pub.dev
* Create Github release for **2.2.4**

*This pull request is opened by bot*

Co-authored-by: ZGaopeng <ZGaopeng@users.noreply.github.com>

Author: github-actions[bot]

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## [2.2.4](https://github.com/AgoraIO-Extensions/iris_method_channel_flutter/compare/2.2.3...2.2.4) (2025-07-24)
+
+### Bug Fixes
+
+* prefix exported Iris symbols to avoid collisions ([#122](https://github.com/AgoraIO-Extensions/iris_method_channel_flutter/issues/122)) ([292ce32](https://github.com/AgoraIO-Extensions/iris_method_channel_flutter/commit/292ce32edaaf8ad8db9706a7c8bfc7d6ec4f613a))
+
 ## [2.2.3](https://github.com/AgoraIO-Extensions/iris_method_channel_flutter/compare/2.2.2...2.2.3) (2025-06-25)
 
 ### Bug Fixes

pubspec.yaml

@@ -2,7 +2,7 @@ name: iris_method_channel
 description: >-
   iris_method_channel is a method channel that communicate between C/C++(iris)
   and dart, which is used by Agora Flutter SDKs.
-version: 2.2.3
+version: 2.2.4
 homepage: https://www.agora.io
 repository: https://github.com/AgoraIO-Extensions/iris_method_channel_flutter/tree/main
 environment: