Roll Dart SDK from 9fdb86dba562 to b440879831a8 (1 revision) (#22959)

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': '9fdb86dba562a5a2445aa2120935b15f60e332a4',
+  'dart_revision': 'b440879831a88626b569ec40dc8edafd6fa30a0e',
 
   # 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 @@ vars = {
   'dart_root_certificates_rev': '7e5ec82c99677a2e5b95ce296c4d68b0d3378ed8',
   'dart_shelf_packages_handler_tag': '2.0.0',
   'dart_shelf_proxy_tag': '0.1.0+7',
-  'dart_shelf_static_rev': 'a6168f162df88b0eef7e328629bf020122d5039e',
+  'dart_shelf_static_rev': '779a6e99b320ce9ed4ff6b88bd0cdc40ea5c62c4',
   'dart_sse_tag': '9a486d058a17e880afa9cc1c3c0dd8bad726bcbc',
   'dart_stack_trace_tag': '6788afc61875079b71b3d1c3e65aeaa6a25cbc2f',
   'dart_stagehand_tag': 'v3.3.11',

ci/licenses_golden/licenses_third_party

-Signature: f5936966f331b436d2a4f8e3e28ef54c
+Signature: 9a56b96c19110590c7bffa9e23041917
 
 UNUSED LICENSES: