'Update Dart SDK to 3d2629cd0310df74bdf260d828ed3c75f25db889' (#30212)

diff --git a/DEPS b/DEPS
index aa1b2d2..9e86ff6 100644
--- a/DEPS
+++ b/DEPS
@@ -39,7 +39,7 @@
   # 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': '52519ea8eb4780c468c4c2ed00e7c8046ccfed41',
+  'dart_revision': '3d2629cd0310df74bdf260d828ed3c75f25db889',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py