Roll Dart SDK from 77e83fcc14fa to f21024945abf (1 revision) (#36854)

diff --git a/DEPS b/DEPS
index 72093b1..3794a0b 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': '77e83fcc14fa94049f363d554579f48fbd6bb7a1',
+  'dart_revision': 'f21024945abf18d59c5c30d164d59434a8287bdc',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -54,7 +54,7 @@
   'dart_collection_rev': 'ca45fc4cb2ec4d6aece51cd8e61c8eed5a207c4e',
   'dart_devtools_rev': 'b21cd59f1f6bb60cacd59ba39e376d2a50d82f74',
   'dart_protobuf_rev': '1d175bef6043bc4bdef5970f6dbd6d3001124373',
-  'dart_pub_rev': '28a2503d7f4806e6854e3ed0d783f065abfd1b5f',
+  'dart_pub_rev': 'b9afe9270c24d040b8ae465b4b37ba4f7f4b4cc5',
   'dart_root_certificates_rev': '692f6d6488af68e0121317a9c2c9eb393eb0ee50',
   'dart_watcher_rev': '32591071a83f632478e702f67e29de6e54428ce9',
   'dart_webdev_rev': '69aac60e848c9f6ae18fd8768d508f8eda1872f6',
diff --git a/ci/licenses_golden/licenses_third_party b/ci/licenses_golden/licenses_third_party
index 56199df..7ddd4df 100644
--- a/ci/licenses_golden/licenses_third_party
+++ b/ci/licenses_golden/licenses_third_party
@@ -1,4 +1,4 @@
-Signature: 7f29d2c6328044f212c2745ae23d05e6
+Signature: 1e28814ef07bf03b1214ce48b30a8d32
 
 UNUSED LICENSES: