Add conflict rule to avoid installing dep without Versions::ROOT_PACKAGE_NAME

Author: Jean85

composer.json

@@ -45,6 +45,9 @@
         "symfony/phpunit-bridge": "^5.0",
         "symfony/yaml": "^3.4||^4.0||^5.0"
     },
+    "conflict": {
+        "ocramius/package-versions": "<1.3.*"
+    },
     "suggest": {
         "monolog/monolog": "Required to use the Monolog handler"
     },