Apply fixes from StyleCI

Author: StyleCIBot

src/Bridge/AccessToken.php

@@ -18,7 +18,7 @@ class AccessToken implements AccessTokenEntityInterface
      * @param  non-empty-string|null  $userIdentifier
      * @param  \League\OAuth2\Server\Entities\ScopeEntityInterface[]  $scopes
      */
-    public function __construct(string|null $userIdentifier, array $scopes, ClientEntityInterface $client)
+    public function __construct(?string $userIdentifier, array $scopes, ClientEntityInterface $client)
     {
         if (! is_null($userIdentifier)) {
             $this->setUserIdentifier($userIdentifier);

src/Bridge/AccessTokenRepository.php

@@ -26,7 +26,7 @@ public function __construct(
     public function getNewToken(
         ClientEntityInterface $clientEntity,
         array $scopes,
-        string|null $userIdentifier = null
+        ?string $userIdentifier = null
     ): AccessTokenEntityInterface {
         return new Passport::$accessTokenEntity($userIdentifier, $scopes, $clientEntity);
     }

src/Bridge/ScopeRepository.php

@@ -35,7 +35,7 @@ public function finalizeScopes(
         array $scopes,
         string $grantType,
         ClientEntityInterface $clientEntity,
-        string|null $userIdentifier = null,
+        ?string $userIdentifier = null,
         ?string $authCodeId = null
     ): array {
         return collect($scopes)

src/Passport.php

@@ -82,7 +82,7 @@ class Passport
     /**
      * The storage location of the encryption keys.
      */
-    public static string|null $keyPath = null;
+    public static ?string $keyPath = null;
 
     /**
      * The access token entity class name.