[flutter_releases] Flutter stable 3.13.0 Engine Cherrypicks (#44741)

# Flutter stable 3.13.0 Engine

## Scheduled Cherrypicks

- Roll dart revision: dart-lang/sdk@1b9c3b35c

Author: itsjustkevin

DEPS

@@ -53,7 +53,7 @@ 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': '1fbff78e68f9572de56e55ef36b84e942f9594ce',
+  'dart_revision': '1b9c3b35ced9cb3a22f157f827c7ef79faa7b123',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py

ci/licenses_golden/licenses_third_party

@@ -1,4 +1,4 @@
-Signature: a4b0b757c68ecbaddc512bcdc32f5eb6
+Signature: d9a7c0a4880c064a4e9208b5b4492141
 
 ====================================================================================================
 LIBRARY: angle