[google_sign_in] Upgrade dependency google_sign_in_web: ^0.9.1 (#2647)

Dart dependency resolution for ^0.Y.Z versions only picks up Z changes, so the latest changes to the plugin hadn't been released to the public.

This change bumps the version of the dependency to the latest ^0.9.1.

Co-authored-by: David Iglesias <ditman@gmail.com>
diff --git a/packages/google_sign_in/google_sign_in/CHANGELOG.md b/packages/google_sign_in/google_sign_in/CHANGELOG.md
index dfe674e..ed707ab 100644
--- a/packages/google_sign_in/google_sign_in/CHANGELOG.md
+++ b/packages/google_sign_in/google_sign_in/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 4.4.3
+
+* Upgrade google_sign_in_web to version ^0.9.1
+
 ## 4.4.2
 
 * Android: make the Delegate non-final to allow overriding.
diff --git a/packages/google_sign_in/google_sign_in/pubspec.yaml b/packages/google_sign_in/google_sign_in/pubspec.yaml
index 0631a66..8cd1f30 100644
--- a/packages/google_sign_in/google_sign_in/pubspec.yaml
+++ b/packages/google_sign_in/google_sign_in/pubspec.yaml
@@ -2,7 +2,7 @@
 description: Flutter plugin for Google Sign-In, a secure authentication system
   for signing in with a Google account on Android and iOS.
 homepage: https://github.com/flutter/plugins/tree/master/packages/google_sign_in/google_sign_in
-version: 4.4.2
+version: 4.4.3
 
 flutter:
   plugin:
@@ -25,7 +25,7 @@
   # validation, so we set a ^ constraint.
   # TODO(amirh): Revisit this (either update this part in the  design or the pub tool).
   # https://github.com/flutter/flutter/issues/46264
-  google_sign_in_web: ^0.8.2
+  google_sign_in_web: ^0.9.1
 
 dev_dependencies:
   http: ^0.12.0