Add PHP 8.4 to CI #535

Job	Run time
Coding Standards	16s
Static Analysis	48s
PHP 8.0 Test on ubuntu-latest	6m 39s
PHP 8.1 Test on ubuntu-latest	7m 50s
PHP 8.1 (phpunit 10) Test on ubuntu-latest	8m 7s
PHP 8.2 Test on ubuntu-latest	7m 57s
PHP 8.0 Test dev dependencies on ubuntu-latest	7m 28s
PHP 8.2 (phpunit 10) Test on ubuntu-latest	6m 58s
PHP 8.3 Test on ubuntu-latest	6m 23s
PHP 8.3 (phpunit 10) Test on ubuntu-latest	7m 12s
PHP 8.1 Test dev dependencies on ubuntu-latest	7m 7s
PHP 8.4 Test on ubuntu-latest	7m 12s
PHP 8.4 (phpunit 10) Test on ubuntu-latest	7m 53s
PHP 8.2 Test dev dependencies on ubuntu-latest	7m 40s
PHP 8.3 Test dev dependencies on ubuntu-latest	7m 10s
PHP 8.3 (lowest) Test on ubuntu-latest	7m 27s
PHP 8.4 Test dev dependencies on ubuntu-latest	7m 11s
PHP 8.3 Test on macos-latest	8m 21s
PHP 8.3 Test on windows-latest	4m 42s
	2h 4m 21s

Provide feedback