Roll Dart SDK from b08bd0a3ee39 to ce171d5026ff (4 revisions) (flutter#184095)

https://dart.googlesource.com/sdk.git/+log/b08bd0a3ee39..ce171d5026ff

2026-03-24 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.12.0-282.0.dev
2026-03-24 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.12.0-281.0.dev
2026-03-24 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.12.0-280.0.dev
2026-03-24 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.12.0-279.0.dev

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/dart-sdk-flutter
Please CC codefu@google.com,dart-vm-team@google.com on the revert to
ensure that a human
is aware of the problem.

To file a bug in Flutter:
https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

Author: engine-flutter-autoroll

DEPS

@@ -59,12 +59,12 @@ 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': 'b08bd0a3ee39a6bfd5585453c26ef72cfdf16622',
+  'dart_revision': 'ce171d5026ffb6dee35d02d156f4e510e57f4da1',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
   'dart_ai_rev': 'a619d4bba99e736b0fbabd3e8b94b0538e013f46',
-  'dart_binaryen_rev': '204c3f88bb2e2c92b103b0cfbf4e0a4863c12c87',
+  'dart_binaryen_rev': '58de22cdfd0ccb38ce68632695c0493c587af932',
   'dart_boringssl_rev': '4d969991f61733b4cab1ae871b136fd4dd6c6005',
   'dart_core_rev': '1ce6453c52f498e24fe769b1eba10565a3a61c6b',
   'dart_devtools_rev': 'be1d7ba3dddc84a6c6b0d4dca9ab62b8b3b24d29',