Fix version doctrine composer.json pour éviter erreur avec les "short namespace alias"

composer.json

@@ -12,7 +12,7 @@
         "doctrine/annotations": "^1.0",
         "doctrine/doctrine-bundle": "^2.7",
         "doctrine/doctrine-migrations-bundle": "^3.2",
-        "doctrine/orm": "^2.13",
+        "doctrine/orm": "<=2.14.1",
         "friendsofsymfony/jsrouting-bundle": "^2.8",
         "justinrainbow/json-schema": "^5.2",
         "league/oauth2-server-bundle": "^0.4.0",