Use PHP 8.4, service-client ^8

What's Changed

• Remove use of smartassert/array-inspector by @webignition in #259
• Update action workflows by @webignition in #269
• Use PHP 8.4 by @webignition in #270
• Use phpstan ^2.1 by @webignition in #271
• Use symfony/uid ^7.3 by @webignition in #273
• Use smartassert/service-client ^8 by @webignition in #272
• Use phpunit ^12 by @webignition in #274

Full Changelog: 12.0...13.0