This PR upgrades the Laravel framework version to 11.
it updates all composer dependencies and pulls in the latest version of the sendportal-core package
removes redundant packages
replaces Faker properties with Faker methods
replaces the $casts array property with a $casts method
upgrades Livewire to version 3
fixes a couple of failing tests
updates some env variables
uses a Laravel Shift Upgrade Checker to run some additional checks on the code base. The Checker applied Laravel coding styles across the code and suggested updating a few core files to reflect the most current version of these files (artisan, public/index.php).
This PR upgrades the Laravel framework version to 11.
$castsarray property with a$castsmethod