Roll Dart SDK from e3a6035e0719 to 9e7b67b57444 (1 revision) (#40129)

Roll Dart SDK from e3a6035e0719 to 9e7b67b57444 (1 revision)
diff --git a/DEPS b/DEPS
index 4a67431..a606752 100644
--- a/DEPS
+++ b/DEPS
@@ -48,7 +48,7 @@
   # 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': 'e3a6035e071976fc551e1c896326a0cd1be671f2',
+  'dart_revision': '9e7b67b57444053ea52125df0a0f5993368c1e1d',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py