Update dependency doctrine/doctrine-bundle to v2.16.0

Author: renovate[bot]

api/composer.json

@@ -17,7 +17,7 @@
         "composer/package-versions-deprecated": "1.11.99",
         "cweagans/composer-patches": "1.7.3",
         "doctrine/common": "3.5.0",
-        "doctrine/doctrine-bundle": "2.15.1",
+        "doctrine/doctrine-bundle": "2.16.0",
         "doctrine/doctrine-migrations-bundle": "3.4.2",
         "doctrine/orm": "3.5.2",
         "exercise/htmlpurifier-bundle": "5.1",