Run tests on PHP 8.4 and update test environment#280

WyriHaximus wants to merge 1 commit intoreactphp:1.xreactphp/event-loop:1.xfrom

WyriHaximus-labs:1.x-PHP-8.4WyriHaximus-labs/event-loop:1.x-PHP-8.4Copy head branch name to clipboard