Add doctrine/persistence dependency

Author: hlecorche

composer.json

@@ -13,6 +13,7 @@
         "doctrine/common": "*",
         "doctrine/doctrine-bundle": "^1.6|^2.0",
         "doctrine/orm": "~2.3",
+        "doctrine/persistence": "^1.0",
         "ecommit/util-bundle": "2.5.*@dev",
         "symfony/config": "^4.2|^5.0",
         "symfony/dependency-injection": "^4.2|^5.0",