MQE-849: Upgrading MTF PHP version to 7.2

Author: okolesnyk

dev/tests/acceptance/composer.json

@@ -22,7 +22,7 @@
         "symfony/process": ">=2.7 <3.4",
         "henrikbjorn/lurker": "^1.2",
         "magento/magento2-functional-testing-framework": "~2.1.1",
-        "php": "7.0.2|7.0.4|~7.0.6|~7.1.0",
+        "php": "7.0.2|7.0.4|~7.0.6|~7.1.0|~7.2.0",
         "vlucas/phpdotenv": "~2.4"
     },
     "autoload": {