[doctrine/doctrine-bundle] Fix installing on Symfony 6.4

Author: HypeMC

doctrine/doctrine-bundle/3.0/manifest.json

@@ -49,6 +49,6 @@
         }
     },
     "conflict": {
-        "symfony/framework-bundle": "<7.1"
+        "symfony/framework-bundle": "<6.4"
     }
 }