chore: update changelog draft

Author: bang9

CHANGELOG_DRAFT.md

@@ -1,4 +1,9 @@
-## v3.4.2
+## v3.4.3
 
-- Removed conditional hooks even if they depend on an unchanging value.
-- Fixed an issue with the `sdk` type in the `useSendbirdChat()` hook.
+- Added `disableFastImage` prop to Image component in foundation package.
+  ```tsx
+  import { Image } from '@sendbird/uikit-react-native-foundation';
+  
+  // If you don't want to use FastImage in UIKit for React Native, you can specify this default prop
+  if (Image.defaultProps) Image.defaultProps.disableFastImage = true;
+  ```