Make ocramius/package-versions 1.2 the lowest version for phpstan

Author: beberlei

composer.json

@@ -26,7 +26,7 @@
         "doctrine/event-manager": "^1.1",
         "doctrine/instantiator": "^1.3",
         "doctrine/persistence": "^1.2",
-        "ocramius/package-versions": "^1.0",
+        "ocramius/package-versions": "^1.2",
         "symfony/console": "^3.0|^4.0|^5.0"
     },
     "require-dev": {