Support Symfony 6.4, 7.0, PHP 8.2, 8.3

What's Changed

• Use php-cs-fixer 3.49.0 by @webignition in #21
• Update workflow actions by @webignition in #22
• Support PHP 8.2, 8.3 by @webignition in #19
• Use phpunit ^10.5 by @webignition in #23
• Support Symfony 6.4, 7.0 by @webignition in #18

Full Changelog: 1.0...2.0