Support Symfony 6.4, 7.0, PHP 8.2, 8.3

What's Changed

• Use php-cs-fixer 3.49 by @webignition in #101
• Support PHP 8.2, 8.3 by @webignition in #104
• Support Symfony 6.4, 7.0 by @webignition in #106
• Use phpunit ^10 by @webignition in #107

Full Changelog: 6.0...7.0