v7.0.0-BETA1

Changelog (v6.3.6...v7.0.0-BETA1)

• feature symfony/symfony#48485 [Process] Introducing a new PhpSubprocess handler (@Toflar)
• feature symfony/symfony#47422 [Process] Support using Process::findExecutable() independently of open_basedir (@BlackbitDevs)
• feature symfony/symfony#49813 [Messenger][Process] add RunProcessMessage and RunProcessMessageHandler (@kbond)
• feature symfony/symfony#51069 Add types to public and protected properties (@nicolas-grekas)
• feature symfony/symfony#50852 [Components] Convert to native return types (@wouterj)
• feature symfony/symfony#50842 Add missing return types to magic methods (@wouterj)
• feature symfony/symfony#50404 Bump to PHP 8.2 minimum (@nicolas-grekas)