Upgrade framework

vendor/symfony/http-kernel/CacheWarmer/WarmableInterface.php

@@ -21,7 +21,7 @@ interface WarmableInterface
     /**
      * Warms up the cache.
      *
-     * @param string $cacheDir The cache directory
+     * @return string[] A list of classes or files to preload on PHP 7.4+
      */
-    public function warmUp($cacheDir);
+    public function warmUp(string $cacheDir);
 }