raise dependency on laminas-http 2.15
raise dependency on laminas-mvc 3.3
raise dependency on laminas-view 2.13.1
drop dependency on laminas-stdlib

keep compatibility using laminas-zendframework-bridge
  as this is only used using compat autolader

drop dependency on laminas-dom
add dependency on symfony/css-selector
add dependency on symfony/dom-crawler

raise dependency on PHP 7.3
raise dependency on laminas-dom 2.8
raise dependency on laminas-http 2.13
raise dependency on laminas-stdlib 3.3
raise dependency on laminas-zendframework-bridge 1.1
drop support for phpunit < 8

allow phpunit9