Bump symfony/symfony from 2.6.3 to 2.6.13 in /symfony-test#2

dependabot[bot] wants to merge 1 commit into

masterdiscovery-digital/hhvm-newrelic-ext:masterfrom

dependabot/composer/symfony-test/symfony/symfony-2.6.13discovery-digital/hhvm-newrelic-ext:dependabot/composer/symfony-test/symfony/symfony-2.6.13Copy head branch name to clipboard