Roll Dart SDK from 6027980b780c to 7240b35cc401 (1 revision) (#40165) Roll Dart SDK from 6027980b780c to 7240b35cc401 (1 revision)

diff --git a/DEPS b/DEPS
index 2fa818b..6dcbfcc 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': '6027980b780c7e0b08ffc6d1571057dc84e3bd53',
+  'dart_revision': '7240b35cc401ad8cf3107e83c04b055ef3cc895d',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py