Don't attempt code coverage upload for PHP 7.0
Don't attempt code coverage upload for PHP 7.0

kkiernan/commonmark,postalservice14/commonmark,postalservice14/commonmark,fesor/commonmark,fesor/commonmark,garethellis36/commonmark,colinodell/commonmark,thephpleague/commonmark,hason/commonmark,kkiernan/commonmark,thephpleague/commonmark,hason/commonmark,garethellis36/commonmark