Fix PHP Fatal error that can be thrown when registering a new User

Class definition wasn't compatible with parent class

Author: lcharette

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Italian translation ([#950])
 - User Registration failing when trying to register two accounts with the same email address ([#953])
 - Bad test case for `CoreController::getAsset`.
+- Fix PHP Fatal error that can be thrown when registering a new User
 
 ## [v4.2.0]
 ### Changed Requirements

app/sprinkles/account/src/Repository/PasswordResetRepository.php

@@ -9,6 +9,7 @@
 
 namespace UserFrosting\Sprinkle\Account\Repository;
 
+use UserFrosting\Sprinkle\Account\Database\Models\Interfaces\UserInterface;
 use UserFrosting\Sprinkle\Account\Facades\Password;
 
 /**
@@ -27,7 +28,7 @@ class PasswordResetRepository extends TokenRepository
     /**
      * {@inheritdoc}
      */
-    protected function updateUser($user, $args)
+    protected function updateUser(UserInterface $user, $args)
     {
         $user->password = Password::hash($args['password']);
         // TODO: generate user activity? or do this in controller?