Mark bundle as incompatible with 7.2 (#828) (#844)

Author: YetiCGN

composer.json

@@ -11,7 +11,7 @@
         }
     ],
     "require": {
-        "php": ">=5.6",
+        "php": ">=5.6,<7.2",
         "symfony/framework-bundle": "^2.8|^3.0",
         "symfony/console": "^2.8|^3.0",
         "symfony/stopwatch": "^2.8|^3.0",