Add PHP 8.4 tests support #199

Job	Run time
PHP 7.4, ubuntu-latest, prefer-lowest	17s
PHP 7.4, ubuntu-latest, prefer-stable	19s
PHP 7.4, macos-latest, prefer-lowest	1m 15s
PHP 7.4, macos-latest, prefer-stable	1m 21s
PHP 7.4, windows-latest, prefer-lowest	44s
PHP 7.4, windows-latest, prefer-stable	44s
PHP 8.0, ubuntu-latest, prefer-lowest	14s
PHP 8.0, ubuntu-latest, prefer-stable	19s
PHP 8.0, macos-latest, prefer-lowest	1m 12s
PHP 8.0, macos-latest, prefer-stable	1m 19s
PHP 8.0, windows-latest, prefer-lowest	36s
PHP 8.0, windows-latest, prefer-stable	33s
PHP 8.1, ubuntu-latest, prefer-lowest	27s
PHP 8.1, ubuntu-latest, prefer-stable	15s
PHP 8.1, macos-latest, prefer-lowest	1m 12s
PHP 8.1, macos-latest, prefer-stable	1m 13s
PHP 8.1, windows-latest, prefer-lowest	36s
PHP 8.1, windows-latest, prefer-stable	37s
PHP 8.2, ubuntu-latest, prefer-lowest	18s
PHP 8.2, ubuntu-latest, prefer-stable	18s
PHP 8.2, macos-latest, prefer-lowest	1m 19s
PHP 8.2, macos-latest, prefer-stable	1m 16s
PHP 8.2, windows-latest, prefer-lowest	31s
PHP 8.2, windows-latest, prefer-stable	38s
PHP 8.3, ubuntu-latest, prefer-lowest	13s
PHP 8.3, ubuntu-latest, prefer-stable	19s
PHP 8.3, macos-latest, prefer-lowest	1m 12s
PHP 8.3, macos-latest, prefer-stable	1m 11s
PHP 8.3, windows-latest, prefer-lowest	50s
PHP 8.3, windows-latest, prefer-stable	33s
PHP 8.4, ubuntu-latest, prefer-lowest	1m 10s
PHP 8.4, ubuntu-latest, prefer-stable	1m 8s
PHP 8.4, macos-latest, prefer-lowest	1s
PHP 8.4, macos-latest, prefer-stable	1s
PHP 8.4, windows-latest, prefer-lowest	1m 34s
PHP 8.4, windows-latest, prefer-stable	1m 33s
	27m 18s

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