ci: Add PHP 8.3 and 8.4 to the CI (#76) #112

Job	Run time
php-cs-fixer (8.2, highest)	17s
PHPUnit (PHP 8.2) Symfony unchanged	41s
PHPUnit (PHP 8.2) Symfony 6.4.*	35s
PHPUnit (PHP 8.2) Symfony 7..	37s
PHPUnit (PHP 8.2) Symfony unchanged	35s
PHPUnit (PHP 8.2) Symfony 6.4.*	35s
PHPUnit (PHP 8.2) Symfony 7..	36s
PHPUnit (PHP 8.3) Symfony unchanged	37s
PHPUnit (PHP 8.3) Symfony 6.4.*	42s
PHPUnit (PHP 8.3) Symfony 7..	35s
PHPUnit (PHP 8.3) Symfony unchanged	38s
PHPUnit (PHP 8.3) Symfony 6.4.*	40s
PHPUnit (PHP 8.3) Symfony 7..	37s
PHPUnit (PHP 8.4) Symfony unchanged	42s
PHPUnit (PHP 8.4) Symfony 6.4.*	40s
PHPUnit (PHP 8.4) Symfony 7..	45s
PHPUnit (PHP 8.4) Symfony unchanged	33s
PHPUnit (PHP 8.4) Symfony 6.4.*	35s
PHPUnit (PHP 8.4) Symfony 7..	34s
Tests status	1s
	11m 35s

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