Roll Dart SDK from 4566845d8e30 to 6a8058eef22c (1 revision) (flutter/engine#56246)

https://dart.googlesource.com/sdk.git/+log/4566845d8e30..6a8058eef22c

2024-10-30 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com Version 3.7.0-85.0.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 chinmaygarde@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 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

@@ -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': '4566845d8e30d8a4b75463b8041dbc919b15d39b',
+  'dart_revision': '6a8058eef22c26ff32570ec5086ef980683c5f6a',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py

engine/src/flutter/ci/licenses_golden/licenses_dart

@@ -1,4 +1,4 @@
-Signature: 963e270527702a1f4c7290da23caa6d5
+Signature: 6bd88eb41ad3b026d2ad20e5a5f2847b
 
 ====================================================================================================
 LIBRARY: dart
@@ -4805,7 +4805,7 @@ 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/+/b319b2e53bface9c573bdffc219050ef2f2a9b51
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/6a8058eef22c26ff32570ec5086ef980683c5f6a
 /third_party/fallback_root_certificates/
 
 ====================================================================================================

engine/src/flutter/sky/packages/sky_engine/LICENSE

@@ -32253,7 +32253,7 @@ 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/+/4566845d8e30d8a4b75463b8041dbc919b15d39b
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/6a8058eef22c26ff32570ec5086ef980683c5f6a
 /third_party/fallback_root_certificates/
 
 --------------------------------------------------------------------------------