Upgrade to PHPStan 2

composer.json

@@ -24,18 +24,18 @@
         "league/oauth2-client": "^2.4.1"
     },
     "require-dev": {
-        "friendsofphp/php-cs-fixer": "^3.37.1",
-        "guzzlehttp/psr7": "^2.6.1",
+        "friendsofphp/php-cs-fixer": "^3.65.0",
+        "guzzlehttp/psr7": "^2.7.0",
         "http-interop/http-factory-guzzle": "^1.2",
-        "infection/infection": "^0.27.7",
-        "m4tthumphrey/php-gitlab-api": "^11.12",
-        "mockery/mockery": "^1.6.6",
-        "php-http/guzzle7-adapter": "^1.0.0",
-        "phpstan/extension-installer": "^1.3.1",
-        "phpstan/phpstan": "^1.10.41",
-        "phpstan/phpstan-mockery": "^1.1.1",
-        "phpstan/phpstan-phpunit": "^1.3.15",
-        "phpunit/phpunit": "^10.4.2"
+        "infection/infection": "^0.27.11",
+        "m4tthumphrey/php-gitlab-api": "^11.14",
+        "mockery/mockery": "^1.6.12",
+        "php-http/guzzle7-adapter": "^1.1.0",
+        "phpstan/extension-installer": "^1.4.3",
+        "phpstan/phpstan": "^2.0.4",
+        "phpstan/phpstan-mockery": "^2.0.0",
+        "phpstan/phpstan-phpunit": "^2.0.3",
+        "phpunit/phpunit": "^10.5.39"
     },
     "suggest": {
         "m4tthumphrey/php-gitlab-api": "For further API usage using the acquired OAuth2 token"

src/Provider/Gitlab.php

@@ -90,7 +90,7 @@ protected function getScopeSeparator(): string
      * Check a provider response for errors.
      *
      * @param ResponseInterface $response Parsed response data
-     * @param array{error?: string, message?: string}|mixed $data
+     * @param array{error?: string, message?: string}|scalar $data
      * @throws IdentityProviderException
      */
     protected function checkResponse(ResponseInterface $response, mixed $data): void

test/src/Provider/GitlabTest.php

@@ -66,7 +66,7 @@ public function testAuthorizationUrl(): void
         $this->assertArrayHasKey('scope', $query);
         $this->assertArrayHasKey('response_type', $query);
         $this->assertArrayHasKey('approval_prompt', $query);
-        $this->assertNotNull($this->provider->getState());
+        $this->assertNotEmpty($this->provider->getState());
     }
 
     public function testScopes(): void
@@ -224,7 +224,8 @@ public function testDefaultValuesForResourceOwner(): void
     public function testApiClient(GitlabResourceOwner $owner): void
     {
         $client = $owner->getApiClient();
-        $this->assertInstanceOf(\Gitlab\Client::class, $client);
+
+        $this->assertSame(\Gitlab\Client::class, get_class($client));
     }
 
     /**