chore: update flutter_facebook_auth to 7.0.1 (#13076)

Author: seanwestfall

packages/firebase_auth/firebase_auth/example/lib/auth.dart

@@ -573,7 +573,7 @@ class _AuthGateState extends State<AuthGate> {
 
       // Login with token
       await auth.signInWithCredential(
-        FacebookAuthProvider.credential(accessToken.token),
+        FacebookAuthProvider.credential(accessToken.tokenString),
       );
     } else {
       print('Facebook login did not succeed');

packages/firebase_auth/firebase_auth/example/pubspec.yaml

@@ -11,7 +11,7 @@ dependencies:
   firebase_messaging: ^15.0.3
   flutter:
     sdk: flutter
-  flutter_facebook_auth: ^6.0.0
+  flutter_facebook_auth: ^7.0.1
   flutter_signin_button: ^2.0.0
   google_sign_in: ^6.1.0
   google_sign_in_dartio: ^0.3.0