open https://github.com/llaville/php-compatinfo/issues/316
  regression, compatibility with Symfony 4

raise dependency on PHP 7.4
drop dependency on bartlett/php-reflect
add dependency on nikic/php-parser

raise dependency on bartlett/php-compatinfo-db 3.6

raise dependency on bartlett/php-compatinfo-db 3.4

raise dependency on PHP 7.2
raise dependency on bartlett/php-compatinfo-db 3.3