Roll Dart SDK from 40bb66a945e4 to 067560bcd521 (1 revision) (#165262)

https://dart.googlesource.com/sdk.git/+log/40bb66a945e4..067560bcd521

2025-03-15 dart-internal-merge@dart-ci-internal.iam.gserviceaccount.com
Version 3.8.0-196.0.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 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:
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

@@ -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': '40bb66a945e41761c921f268542c41eb66366aa6',
+  'dart_revision': '067560bcd521d7ec9070e53e60b0e92ae451b6ac',
 
   # 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/sky/packages/sky_engine/LICENSE

@@ -30247,7 +30247,7 @@ 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/+/40bb66a945e41761c921f268542c41eb66366aa6
+You may obtain a copy of this library's Source Code Form from: https://dart.googlesource.com/sdk/+/067560bcd521d7ec9070e53e60b0e92ae451b6ac
 /third_party/fallback_root_certificates/
 
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