Release 6.0.0

What's Changed

• add support for phpunit 11 by @wickedOne in #157
• chore: remove testruns for symfony 6.3 by @Chris53897 in #161
• chore: fix ci deprecations, bump actions/cache 3 => 4 by @Chris53897 in #160

New Contributors

• @wickedOne made their first contribution in #157

Full Changelog: 5.1.0...6.0.0