Upgrade to Laravel 11.* and PHP 8.* with Code Format Enhancements

[veeqtoh]

This pull request includes several updates to upgrade the project to Laravel 11.* and ensure compatibility with PHP 8.*. The main changes include dropping support for older PHP and Laravel versions, updating dependencies, and refactoring code where necessary to adhere to the new standards.

Changes:

• Laravel Upgrade: Updated the project to use Laravel 11.*, taking advantage of the latest features and improvements in the framework.
• PHP Compatibility: Ensured compatibility with PHP 8.* by updating code syntax, type declarations, and deprecated functions.
• Dependency Updates: Updated dependencies to their latest compatible versions to align with Laravel 11.* requirements and maintain security.
• Code Refactoring: Refactored code where necessary to follow best practices, improve readability, and adhere to Laravel 11.* conventions.
• Testing: Updated test suites to ensure compatibility with the upgraded Laravel version and PHP 8.*, fixing any failing tests and adding new tests as needed. Also swutched from PHPUnit to Pest.
• Documentation: Updated documentation to reflect changes, including any new features or adjustments required for Laravel 11.* and PHP 8.*.