Support Statamic v4

[ryanmitchell]

What's new

• Add Statamic 4 support 🎉
• Add Laravel 10 support

Major changes

• Statamic 3.3 and 3.4 are no longer supported.
• Laravel 8 is no longer supported.
• PHP 7.4 is no longer supported.

[what-the-diff[bot]]

PR Summary

• Support for Laravel 10 Update composer.json to be compatible with Laravel 10
• Add PHP 8.2 compatibility Include PHP 8.2 in the test matrix for better coverage
• Remove Ampable from CollectionModel and Entry model Statamic 4+ now handles AMP through a separate addon, so it's no longer necessary in these models
• Fix blueprint section import order Improve the import process for blueprint sections by correctly ordering them on save/update instead of sorting them alphabetically