Add support for Laravel 13 and Livewire 4

[benjibee]

PR Title

Add support for Laravel 13 and Livewire 4

Description

Updates the package to support Laravel 13 and Livewire 4 while maintaining backward compatibility with Laravel 11, 12 and Livewire 3.

Changes:

• CI workflow: Updated test matrix to cover PHP 8.2/8.3/8.4, Laravel 11/12/13, and the correct Orchestra Testbench mappings (^9.0 for L11, ^10.0 for L12, ^11.0 for L13). Dropped PHP 8.1 and Laravel 10 from the matrix since the package requires PHP ^8.2.
• Test fix: Updated createFakeComponent() in tests/Pest.php - the helper was calling $this->dehydrate() directly on a Component instance, which no longer exists as a method on the Component class in Livewire 4. Replaced with a direct call to renderedWireToast(), which is the actual trait method under test.

No changes to package source code were needed - the existing Livewire APIs (dehydrate() lifecycle hook, $this->dispatch(), $wire.$entangle()) are all compatible with both Livewire 3 and 4.

Related Issue

N/A

Types of changes

• Docs change / refactoring / dependency upgrade
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.