Update Composer dependencies for PHP 8.5 support

[layoutd]

All Submissions:

• Have you followed the Contributing guidelines?
• Does your code follow the WordPress' coding standards?
• Have you checked to ensure there aren't other open Pull Requests for the same update/change?

Changes proposed in this Pull Request:

Updates all Composer dependencies to their latest versions, with a focus on adding PHP 8.4/8.5 support while maintaining PHP 7.4 compatibility.

Key updates:

• PHP_CodeSniffer: 3.7.2 => 3.13.4 (adds PHP 8.4+ support)
• WordPress Coding Standards: 2.3.0 => 3.2.0
• WooCommerce Sniffs: 0.1.3 => 1.0.1
• Various supporting dependencies updated

This resolves deprecation warnings and errors when running PHPCS on PHP 8.4+.

How to test the changes in this Pull Request:

1. Check out this branch
2. Run composer install
3. Run vendor/bin/phpcs --version to verify PHPCS 3.13.4
4. Run vendor/bin/phpcs includes/Generator/Customer.php to verify it works without PHP 8.4 compatibility errors
5. Verify no regressions in existing functionality

Other information:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you written new tests for your changes, as applicable?
• Have you successfully run tests with your changes locally?

Changelog entry

Update Composer dependencies to support PHP 8.4 and 8.5

[Copilot]

Copilot wasn't able to review any files in this pull request.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.