ci: add tests for PHP 8.5

Author: Chris8934

composer.json

@@ -18,7 +18,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^8.5 || ^9.0 || ^10.0 || ^11.0 || ^12.0",
-        "php-http/client-integration-tests": "^3.0",
+        "php-http/client-integration-tests": "^3.0 || 3.x-dev",
         "phpspec/prophecy-phpunit": "^2.0",
         "php-http/message-factory": "^1.1"
     },

tests/PromiseExceptionTest.php

@@ -11,6 +11,7 @@
 use Http\Client\Exception\NetworkException;
 use Http\Client\Exception\RequestException;
 use Http\Client\Exception\TransferException;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
@@ -24,7 +25,7 @@ final class PromiseExceptionTest extends TestCase
     /**
      * @dataProvider exceptionThatIsThrownForGuzzleExceptionProvider
      */
-    ##[DataProvider('exceptionThatIsThrownForGuzzleExceptionProvider')]
+    #[DataProvider('exceptionThatIsThrownForGuzzleExceptionProvider')]
     public function testExceptionThatIsThrownForGuzzleException(
         RequestInterface $request,
         $reason,