Merge changelog for 3.38.8. (flutter#181558)

Co-authored-by: Reid Baker <1063596+reidbaker@users.noreply.github.com>

Author: eyebrowsoffire

CHANGELOG.md

@@ -32,6 +32,10 @@ docs/releases/Hotfix-Documentation-Best-Practices.md
 
 ## Flutter 3.38 Changes
 
+### [3.38.8](https://github.com/flutter/flutter/releases/tag/3.38.8)
+
+- [flutter/178151](https://github.com/flutter/flutter/issues/178151) - `flutter run -d chrome` may crash with a `DartDevelopmentServiceException` when the application shuts down during the startup sequence.
+
 ### [3.38.7](https://github.com/flutter/flutter/releases/tag/3.38.7)
 
 - [flutter/179857](https://github.com/flutter/flutter/issues/179857) - `flutter run -d all` crashes if multiple devices are available.