Update Laravel 5.6 skeleton.
Update Laravel 5.6 skeleton.

Updated to laravel/laravel@bd5783b5e9db18b353fe10f5ed8bd6f7ca7b8c6e

Signed-off-by: Mior Muhammad Zaki <e1a543840a942eb68427510a8a483282a7bfeddf@gmail.com>

orchestral/testbench-core,orchestral/testbench-core