Roll src/third_party/dart f99631b12c4a..e0257265d34e (2 commits) (#18378)

diff --git a/DEPS b/DEPS
index a0ef5a3..2881d2b 100644
--- a/DEPS
+++ b/DEPS
@@ -34,7 +34,7 @@
   # 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': 'f99631b12c4ae3f1771ef68b1ae8c57a0dd9434d',
+  'dart_revision': 'e0257265d34efffc845ea88643e183dc3cc5bb0e',
 
   # 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 1ee1008..d650c62 100644
--- a/ci/licenses_golden/licenses_third_party
+++ b/ci/licenses_golden/licenses_third_party
@@ -1,4 +1,4 @@
-Signature: 958fcd70bbca94347d1faced2ab97385
+Signature: 4b11a86649e38b04bcbf8d260986e159
 
 UNUSED LICENSES: