Update: version contrainst for ramsey/uuid in composer.json (SF4)

Author: BeBlood

composer.json

@@ -20,7 +20,7 @@
         "symfony/twig-bundle": "^4.0",
         "symfony/monolog-bundle": "^3.3",
         "symfony/process": "^4.0",
-        "ramsey/uuid": "^3.7",
+        "ramsey/uuid": "^4.0",
         "ramsey/uuid-doctrine": "^1.4",
         "doctrine/persistence": "^1.1",
         "payum/iso4217": "~1.0",