Update facade docblocks

Author: taylorotwell

src/Illuminate/Support/Facades/Response.php

@@ -10,7 +10,7 @@
  * @method static \Illuminate\Http\Response view(string|array $view, array $data = [], int $status = 200, array $headers = [])
  * @method static \Illuminate\Http\JsonResponse json(mixed $data = [], int $status = 200, array $headers = [], int $options = 0)
  * @method static \Illuminate\Http\JsonResponse jsonp(string $callback, mixed $data = [], int $status = 200, array $headers = [], int $options = 0)
- * @method static \Symfony\Component\HttpFoundation\StreamedResponse eventStream(\Closure $callback, array $headers = [], string $as = 'update', string|null $startStreamWith = null, string|null $endStreamWith = '</stream>')
+ * @method static \Symfony\Component\HttpFoundation\StreamedResponse eventStream(\Closure $callback, array $headers = [], string $endStreamWith = '</stream>')
  * @method static \Symfony\Component\HttpFoundation\StreamedResponse stream(callable $callback, int $status = 200, array $headers = [])
  * @method static \Symfony\Component\HttpFoundation\StreamedJsonResponse streamJson(array $data, int $status = 200, array $headers = [], int $encodingOptions = 15)
  * @method static \Symfony\Component\HttpFoundation\StreamedResponse streamDownload(callable $callback, string|null $name = null, array $headers = [], string|null $disposition = 'attachment')