Add extension configure tests #995

Job	Run time
php-cs-fixer	25s
Define Matrix	7s
PHPUnit (PHP 8.1)	11s
phpstan	26s
PHPUnit (PHP 8.2)	12s
PHPUnit (PHP 8.3)	13s
PHPUnit (PHP 8.4)	12s
Build PHP Test (PHP 8.1 macos-14)	5m 2s
Build PHP Test (PHP 8.1 ubuntu-latest)	4m 37s
Build PHP Test (PHP 8.2 macos-14)	6m 14s
Build PHP Test (PHP 8.2 ubuntu-latest)	4m 31s
Build PHP Test (PHP 8.3 macos-14)	5m 6s
Build PHP Test (PHP 8.3 ubuntu-latest)	4m 44s
Build PHP Test (PHP 8.4 macos-14)	4m 17s
Build PHP Test (PHP 8.4 ubuntu-latest)	4m 41s
	40m 58s

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