Roll Dart SDK from 510176992194 to 381de7ccbe81 (4 revisions) (#35980)

diff --git a/DEPS b/DEPS
index 4325121..2400eb8 100644
--- a/DEPS
+++ b/DEPS
@@ -36,7 +36,7 @@
   # 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': '5101769921946bdf83ede9344d061b3b6fe038a4',
+  'dart_revision': '381de7ccbe8154d2ae896e1d21181b543ae159f8',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py