Add array to docs of ResponseFactory::redirectToAction (#48309)

Routing/ResponseFactory.php

@@ -123,7 +123,7 @@ public function redirectToRoute($route, $parameters = [], $status = 302, $header
     /**
      * Create a new redirect response to a controller action.
      *
-     * @param  string  $action
+     * @param  array|string  $action
      * @param  mixed  $parameters
      * @param  int  $status
      * @param  array  $headers