Roll Dart SDK from 2876f5684ced to 67b2a250747b (1 revision) (#50996)

https://dart.googlesource.com/sdk.git/+log/2876f5684ced..67b2a250747b

2024-02-27 [email protected] Version 3.4.0-179.0.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-engine
Please CC [email protected],[email protected] on the revert to ensure that a human
is aware of the problem.

To file a bug in Flutter Engine: 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: skia-flutter-autoroll

DEPS

@@ -62,7 +62,7 @@ vars = {
   # 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': '2876f5684ceddf924aa0e2ab7d34a6baf4717496',
+  'dart_revision': '67b2a250747b9c25c64b901ffbf17bdf36987331',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py

ci/licenses_golden/licenses_dart

@@ -1,4 +1,4 @@
-Signature: 7fd3eb25284e36712433374678f727d7
+Signature: 1d4fc3fedb6b5c5054d28cf40a3c91a4
 
 ====================================================================================================
 LIBRARY: dart
@@ -4751,7 +4751,7 @@ Exhibit B - "Incompatible With Secondary Licenses" Notice
   This Source Code Form is "Incompatible With Secondary Licenses", as
   defined by the Mozilla Public License, v. 2.0.
 
-You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/2876f5684ceddf924aa0e2ab7d34a6baf4717496
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/67b2a250747b9c25c64b901ffbf17bdf36987331
 /third_party/fallback_root_certificates/
 
 ====================================================================================================

sky/packages/sky_engine/LICENSE

@@ -31704,7 +31704,7 @@ Exhibit B - "Incompatible With Secondary Licenses" Notice
   This Source Code Form is "Incompatible With Secondary Licenses", as
   defined by the Mozilla Public License, v. 2.0.
 
-You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/2876f5684ceddf924aa0e2ab7d34a6baf4717496
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/67b2a250747b9c25c64b901ffbf17bdf36987331
 /third_party/fallback_root_certificates/
 
 --------------------------------------------------------------------------------