Roll Dart SDK from 089ef90b6680 to b4bfea33ab1d (1 revision) (#55276)

https://dart.googlesource.com/sdk.git/+log/089ef90b6680..b4bfea33ab1d

2024-09-18 [email protected] Version 3.6.0-262.0.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

DEPS

@@ -56,7 +56,7 @@ 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': '089ef90b668045400c793885f109143808081a56',
+  'dart_revision': 'b4bfea33ab1d7e4586e4e4fd54f89a5b1a5a790f',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py

sky/packages/sky_engine/LICENSE

@@ -32054,7 +32054,7 @@ 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/+/089ef90b668045400c793885f109143808081a56
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/b4bfea33ab1d7e4586e4e4fd54f89a5b1a5a790f
 /third_party/fallback_root_certificates/
 
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