Roll Dart SDK from e74e4de7a430 to d61b089bb5c6 (1 revision) (#20563)

DEPS

@@ -34,7 +34,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': 'e74e4de7a430e5a2807ea5b0e8f30f618380b710',
+  'dart_revision': 'd61b089bb5c6154be6dd7ede5746237d85591ff0',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -193,7 +193,7 @@ deps = {
    Var('dart_git') + '/dart2js_info.git@94ba36cb77067f28b75a4212e77b810a2d7385e9',
 
   'src/third_party/dart/third_party/pkg/dartdoc':
-   Var('dart_git') + '/dartdoc.git@6d5396c2b4bc415ab9cb3d8212b87ecffd90a272',
+   Var('dart_git') + '/dartdoc.git@4410c7739eb6be3f4ae12571145d1a3633b54724',
 
   'src/third_party/dart/third_party/pkg/ffi':
    Var('dart_git') + '/ffi.git@454ab0f9ea6bd06942a983238d8a6818b1357edb',

ci/licenses_golden/licenses_third_party

-Signature: ce6c7a3fba7338ddb98f259b9d528b5e
+Signature: 769562cf74b1ccde2ad9c6d9a28000fc
 
 UNUSED LICENSES: