Roll Dart SDK from 3793f3d2d0c4 to b1c33eb67214 (1 revision) (#179994)

https://dart.googlesource.com/sdk.git/+log/3793f3d2d0c4..b1c33eb67214

2025-12-17 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.11.0-254.0.dev

If this roll has caused a breakage, revert this CL and stop the roller
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https://autoroll.skia.org/r/dart-sdk-flutter
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ensure that a human
is aware of the problem.

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diff --git a/DEPS b/DEPS
index 2fb6ff1..63271fb 100644
--- a/DEPS
+++ b/DEPS
@@ -59,7 +59,7 @@
   # updated revision list of existing dependencies. You will need to
   # gclient sync before and after update deps to ensure all deps are updated.
   # updated revision list of existing dependencies.
-  'dart_revision': '3793f3d2d0c44a722d25a1222d08d22d74d0c700',
+  'dart_revision': 'b1c33eb672146a7a70a80c2c15517ea445d7c4f2',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py