Merge pull request #7939 from ecamp/renovate/doctrine-orm-3.x

fix(deps): update dependency doctrine/orm to v3.5.2

Author: renovate[bot]

api/composer.json

@@ -11,7 +11,7 @@
         "doctrine/common": "3.5.0",
         "doctrine/doctrine-bundle": "2.15.1",
         "doctrine/doctrine-migrations-bundle": "3.4.2",
-        "doctrine/orm": "3.5.1",
+        "doctrine/orm": "3.5.2",
         "exercise/htmlpurifier-bundle": "5.1",
         "friendsofsymfony/http-cache": "3.1.1",
         "friendsofsymfony/http-cache-bundle": "3.2.0",