[6.x] Laravel 13

[duncanmcclean]

This PR adds support for Laravel 13 to Statamic 6.

To try out Laravel 13 before it's officially released, you'll need to make sure your composer.json has:

"prefer-stable": true,
"minimum-stability": "dev"

Depends on:

• [2.x] Supports Laravel 13 inertiajs/inertia-laravel#822
• Supports Laravel 13 Stillat/blade-parser#42
• Supports Laravel 13 spatie/laravel-ray#403
• Support Laravel 13 rebing/graphql-laravel#1207
  • Supports Laravel 13 laragraph/utils#22