Fix typehints (#31806)

src/Illuminate/Foundation/Application.php

@@ -901,7 +901,7 @@ protected function fireAppCallbacks(array $callbacks)
     /**
      * {@inheritdoc}
      */
-    public function handle(SymfonyRequest $request, $type = self::MASTER_REQUEST, $catch = true)
+    public function handle(SymfonyRequest $request, int $type = self::MASTER_REQUEST, bool $catch = true)
     {
         return $this[HttpKernelContract::class]->handle(Request::createFromBase($request));
     }