MAGETWO-89082: Update composer dependencies

- update amqp dependency

Author: danielrenaud

lib/internal/Magento/Framework/Amqp/composer.json

@@ -27,6 +27,7 @@
         "magento/zendframework1": "~1.13.0",
         "monolog/monolog": "^1.17",
         "oyejorge/less.php": "~1.7.0",
+        "php-amqplib/php-amqplib": "~2.7.0",
         "symfony/console": "~4.0.0",
         "symfony/process": "~4.0.0",
         "tedivm/jshrink": "~1.1.0",