Roll Dart SDK from 7642080abaf7 to 42829b6f80b1 (1 revision) (#39707)

https://dart.googlesource.com/sdk.git/+log/7642080abaf7..42829b6f80b1

2023-02-17 [email protected] Version 3.0.0-248.0.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],[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://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

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

Author: skia-flutter-autoroll

DEPS

@@ -48,7 +48,7 @@ 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': '7642080abaf7c69758fb7726e75a523d7597902a',
+  'dart_revision': '42829b6f80b18fbf0b06844247a3fa21d2454286',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -386,7 +386,7 @@ deps = {
    Var('dart_git') + '/json_rpc_2.git@0280ac6cb4f3905d81c47ba927123ba2b95f7940',
 
   'src/third_party/dart/third_party/pkg/linter':
-   Var('dart_git') + '/linter.git@2a32d3f04394d02b80c53a460363b5ad4c413301',
+   Var('dart_git') + '/linter.git@85d62c18e2a353abd4905aaf86e05dd1fc9d7b9a',
 
   'src/third_party/dart/third_party/pkg/logging':
    Var('dart_git') + '/logging.git@abef3717d958158eb8b0ddb2871f4b15a9804cd4',

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: 57d971e6aef1c537cd5807cbc59e6cdd
+Signature: 4f9a6052e1991179c5796eb45b7db3b9
 
 ====================================================================================================
 LIBRARY: angle