Added Laravel 12 support (#196)

* Added laravel 12 support

* Bump graham-campbell/manager

Added laravel 11 support

Laravel 10 support (#175)

Co-authored-by: Rohan Sakhale <rohansakhale@gmail.com>

Fixed: Unsupported operand types: int - string in PHP 8 (#163)

Add laravel 9 support

Prepare 9.1.0

Update composer.json

Release version 8.1

Update keywords

Added Laravel 6.0 support