Bump php package required
Bump php package required

php5 is not available anymore in debian repository.
Using php-cli let to have the latest php version in the debian system that is php7>= https://packages.debian.org/stretch/php-cli installed on the system.
phpmetrics/PhpMetrics,phpmetrics/PhpMetrics,phpmetrics/PhpMetrics,Halleck45/PhpMetrics,Halleck45/PhpMetrics