Use quotes around composer require argument for some shells.
Use quotes around composer require argument for some shells.

* is a reserved character in some shells and will cause an error
if you don't put quotes around the argument.

silverstripe/silverstripe-behat-extension,chillu/silverstripe-behat-extension,jeffreyguo/SS-Behat-quicksetup,jeffreyguo/silverstripe-behat-extension,IgorNadj/silverstripe-behat-extension,benmanu/silverstripe-behat-extension,silverstripe-labs/silverstripe-behat-extension,silverstripe/silverstripe-behat-extension,jeffreyguo/SS-Behat-quicksetup,tractorcow/silverstripe-behat3