Roll Dart SDK from be125a188f41 to 8e711d05b844 (1 revision) (flutter#180460)

https://dart.googlesource.com/sdk.git/+log/be125a188f41..8e711d05b844

2026-01-03 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.11.0-283.0.dev

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
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to ensure that a human
is aware of the problem.

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Author: engine-flutter-autoroll

DEPS

@@ -59,7 +59,7 @@ vars = {
   # 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': 'be125a188f41c287dcf21838b6b9f9ab4e1fdde9',
+  'dart_revision': '8e711d05b844f76d085b0cbd2ea69ce3a5d52315',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py