Roll Dart SDK from 2ff016f0416d to 962ef010aedd (2 revisions) (#22677)

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': '2ff016f0416d8f95e772824fe8c3015f051bd551',
+  'dart_revision': '962ef010aedd35802fb84a183bc1c8a3ed546436',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -51,7 +51,6 @@ vars = {
   'dart_oauth2_tag': '1.6.0',
   'dart_protobuf_rev': '0d03fd588df69e9863e2a2efc0059dee8f18d5b2',
   'dart_pub_rev': '228e69e53862879c283c42b98086aa7536012a66',
-  'dart_pub_semver_tag': 'v1.4.4',
   'dart_resource_rev': '6b79867d0becf5395e5819a75720963b8298e9a7',
   'dart_root_certificates_rev': '7e5ec82c99677a2e5b95ce296c4d68b0d3378ed8',
   'dart_shelf_packages_handler_tag': '2.0.0',
@@ -270,7 +269,7 @@ deps = {
    Var('dart_git') + '/pub.git' + '@' + Var('dart_pub_rev'),
 
   'src/third_party/dart/third_party/pkg/pub_semver':
-   Var('dart_git') + '/pub_semver.git' + '@' + Var('dart_pub_semver_tag'),
+   Var('dart_git') + '/pub_semver.git@10569a1e867e909cf5db201f73118020453e5db8',
 
   'src/third_party/dart/third_party/pkg/resource':
    Var('dart_git') + '/resource.git' + '@' + Var('dart_resource_rev'),

ci/licenses_golden/licenses_third_party

-Signature: 03da2a5c2d3975edaadde00ddf5063a1
+Signature: 74857728052c0d07c1bba161bf0b6e0f
 
 UNUSED LICENSES: