[flutter_releases] Flutter stable 3.24.1 Engine Cherrypicks (#54571)

# Flutter stable 3.24.1 Engine

## Scheduled Cherrypicks

- Roll dart revision: dart-lang/sdk@b9479eb44

Author: itsjustkevin

DEPS

@@ -56,7 +56,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/main/DEPS
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': 'a97f632612f2889d42721afb5e0a7e89ade47237',
+  'dart_revision': 'b9479eb440de7af2c9946931a1ecaabf457b31af',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py