Missing abort method added (#37150)

The App-Facade is missing the `abort` function. See: https://github.com/laravel/framework/blob/8.x/src/Illuminate/Foundation/Application.php#L1110

Author: ruslansteiger

src/Illuminate/Support/Facades/App.php

@@ -34,6 +34,7 @@
  * @method static string storagePath(string $path = '')
  * @method static string version()
  * @method static string|bool environment(string|array ...$environments)
+ * @method static void abort(int $code, string $message = '', array $headers = [])
  * @method static void boot()
  * @method static void booted(callable $callback)
  * @method static void booting(callable $callback)