[flutter_releases] Flutter beta 3.4.0-34.0.pre Engine Cherrypicks (#36617)

* Update Dart SDK to bca726a260d2f3aea55312b8e9b21934edd9379f

* Empty-Commit

* update license
diff --git a/DEPS b/DEPS
index 0533bf4..798996f 100644
--- a/DEPS
+++ b/DEPS
@@ -43,7 +43,7 @@
   # 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': '8c19c7bd38b44af872de3a7cb97713bb83ca4fb8',
+  'dart_revision': 'bca726a260d2f3aea55312b8e9b21934edd9379f',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
diff --git a/ci/licenses_golden/licenses_third_party b/ci/licenses_golden/licenses_third_party
index 443d764..fbec335 100644
--- a/ci/licenses_golden/licenses_third_party
+++ b/ci/licenses_golden/licenses_third_party
@@ -1,4 +1,4 @@
-Signature: 31449ab2a9663640ef2954da8cbe9859
+Signature: 2bed50943dd95e255b3c67e27df765b0
 
 UNUSED LICENSES: