Re-bump doctrine bundle

Author: andrewmy

composer.json

@@ -67,7 +67,7 @@
     "symfony/framework-bundle": "^4.3|^5",
     "symfony/yaml": "^4.3|^5",
     "empi89/php-amqp-stubs": "*@dev",
-    "doctrine/doctrine-bundle": "^1.6.12|^2",
+    "doctrine/doctrine-bundle": "^2.0",
     "doctrine/mongodb-odm-bundle": "^3.5|^4.3",
     "alcaeus/mongo-php-adapter": "^1.0",
     "kwn/php-rdkafka-stubs": "^2.0.3",