Erlaube doctrine/persistence ^2.1 (Case 126792)

Author: MalteWunsch

composer.json

@@ -23,7 +23,7 @@
         "php": "^7.2",
         "doctrine/annotations": "^1.11",
         "doctrine/collections": "^1.0",
-        "doctrine/persistence": "^1.3.8",
+        "doctrine/persistence": "^1.3.8 | ^2.1",
         "doctrine/orm": "~2.2",
         "psr/log": "^1.0",
         "symfony/config": "^2.0|^3.0|^4.0",