chore(deps): bump google_sign_in from 6.3.0 to 7.2.0

Bumps [google_sign_in](https://github.com/flutter/packages/tree/main/packages/google_sign_in) from 6.3.0 to 7.2.0.
- [Commits](https://github.com/flutter/packages/commits/google_sign_in-v7.2.0/packages/google_sign_in)

---
updated-dependencies:
- dependency-name: google_sign_in
  dependency-version: 7.2.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

packages/firebase_ui_auth/example/pubspec.yaml

@@ -49,7 +49,7 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
   flutter_lints: ^6.0.0
-  google_sign_in: ^6.2.1
+  google_sign_in: ^7.2.0
   http: ^1.1.2
   integration_test:
     sdk: flutter

packages/firebase_ui_oauth_google/pubspec.yaml

@@ -13,7 +13,7 @@ dependencies:
   firebase_ui_oauth: ^2.0.1
   flutter:
     sdk: flutter
-  google_sign_in: ^6.2.1
+  google_sign_in: ^7.2.0
 
 dev_dependencies:
   flutter_test:

tests/pubspec.yaml

@@ -26,7 +26,7 @@ dependencies:
   cloud_firestore: ^6.1.1
   firebase_ui_firestore: ^2.0.1
   http: ^1.1.2
-  google_sign_in: ^6.2.1
+  google_sign_in: ^7.2.0
   firebase_ui_shared: ^1.4.2
   firebase_database: ^12.1.1
   firebase_ui_database: ^2.0.1