[google_sign_in] Migrate away from quiver_hashcode (#2301)

diff --git a/packages/google_sign_in/google_sign_in_platform_interface/CHANGELOG.md b/packages/google_sign_in/google_sign_in_platform_interface/CHANGELOG.md
index 0d8803f..343608d 100644
--- a/packages/google_sign_in/google_sign_in_platform_interface/CHANGELOG.md
+++ b/packages/google_sign_in/google_sign_in_platform_interface/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 1.0.1
+
+* Switch away from quiver_hashcode.
+
 ## 1.0.0
 
 * Initial release.
diff --git a/packages/google_sign_in/google_sign_in_platform_interface/lib/src/types.dart b/packages/google_sign_in/google_sign_in_platform_interface/lib/src/types.dart
index 98b73c0..44f0b30 100644
--- a/packages/google_sign_in/google_sign_in_platform_interface/lib/src/types.dart
+++ b/packages/google_sign_in/google_sign_in_platform_interface/lib/src/types.dart
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'package:quiver_hashcode/hashcode.dart';
+import 'package:quiver/core.dart';
 
 enum SignInOption { standard, games }
 
diff --git a/packages/google_sign_in/google_sign_in_platform_interface/pubspec.yaml b/packages/google_sign_in/google_sign_in_platform_interface/pubspec.yaml
index ceba7a1..c791b3b 100644
--- a/packages/google_sign_in/google_sign_in_platform_interface/pubspec.yaml
+++ b/packages/google_sign_in/google_sign_in_platform_interface/pubspec.yaml
@@ -4,13 +4,13 @@
 homepage: https://github.com/flutter/plugins/tree/master/packages/google_sign_in/google_sign_in_platform_interface
 # NOTE: We strongly prefer non-breaking changes, even at the expense of a
 # less-clean API. See https://flutter.dev/go/platform-interface-breaking-changes
-version: 1.0.0
+version: 1.0.1
 
 dependencies:
   flutter:
     sdk: flutter
   meta: ^1.0.5
-  quiver_hashcode: ^2.0.0
+  quiver: ">=2.0.0 <3.0.0"
 
 dev_dependencies:
   flutter_test: