Bumps default version of PHP
Bumps default version of PHP

Signed-off-by: Forest Eckhardt <4b00265404c4bf28abd357da6e3ed2185c574dc6@pivotal.io>

cloudfoundry/php-buildpack,cloudfoundry/php-buildpack,cloudfoundry/php-buildpack,cloudfoundry/php-buildpack,cloudfoundry/php-buildpack,cloudfoundry/php-buildpack,cloudfoundry/php-buildpack