Tests

Add PHP 8.4 support (testing) #968

Job	Run time
phpstan	43s
PHPUnit (PHP 8.1)	20s
PHPUnit (PHP 8.2)	15s
php-cs-fixer	29s
PHPUnit (PHP 8.3)	15s
Define Matrix	7s
Build PHP Test (PHP 8.1 macos-14)	17m 51s
Build PHP Test (PHP 8.1 ubuntu-latest)	27m 46s
Build PHP Test (PHP 8.1 macos-13)	31m 59s
Build PHP Test (PHP 8.1 windows-latest)	18m 22s
Build PHP Test (PHP 8.2 macos-14)	19m 44s
Build PHP Test (PHP 8.2 ubuntu-latest)	28m 30s
Build PHP Test (PHP 8.2 macos-13)	32m 37s
Build PHP Test (PHP 8.2 windows-latest)	18m 23s
Build PHP Test (PHP 8.3 macos-14)	17m 37s
Build PHP Test (PHP 8.3 ubuntu-latest)	27m 51s
Build PHP Test (PHP 8.3 macos-13)	41m 48s
Build PHP Test (PHP 8.3 windows-latest)	18m 21s
Build PHP Test (PHP 8.4 macos-14)	11m 23s
Build PHP Test (PHP 8.4 ubuntu-latest)	1m 16s
Build PHP Test (PHP 8.4 macos-13)	32m 41s
Build PHP Test (PHP 8.4 windows-latest)	1m 28s
	5h 49m 46s

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