Upgrade framework

vendor/symfony/http-kernel/Exception/ServiceUnavailableHttpException.php

@@ -12,25 +12,17 @@
 namespace Symfony\Component\HttpKernel\Exception;
 
 /**
- * ServiceUnavailableHttpException.
- *
  * @author Ben Ramsey <ben@benramsey.com>
  */
 class ServiceUnavailableHttpException extends HttpException
 {
     /**
-     * Constructor.
-     *
-     * @param int|string $retryAfter The number of seconds or HTTP-date after which the request may be retried
-     * @param string     $message    The internal exception message
-     * @param \Exception $previous   The previous exception
-     * @param int        $code       The internal exception code
+     * @param int|string|null $retryAfter The number of seconds or HTTP-date after which the request may be retried
      */
-    public function __construct($retryAfter = null, $message = null, \Exception $previous = null, $code = 0)
+    public function __construct(int|string $retryAfter = null, string $message = '', \Throwable $previous = null, int $code = 0, array $headers = [])
     {
-        $headers = array();
         if ($retryAfter) {
-            $headers = array('Retry-After' => $retryAfter);
+            $headers['Retry-After'] = $retryAfter;
         }
 
         parent::__construct(503, $message, $previous, $headers, $code);