Move doctrine deps to require-dev

To avoid requiring all doctrine stuff when require symfony/messenger
(that require symfony/doctrine-messenger to ensure BC)

Author: tyx

composer.json

@@ -20,10 +20,10 @@
         "symfony/messenger": "^5.1"
     },
     "require-dev": {
-        "symfony/property-access": "^4.4|^5.0",
-        "symfony/serializer": "^4.4|^5.0",
         "symfony/event-dispatcher": "^4.4|^5.0",
-        "symfony/process": "^4.4|^5.0"
+        "symfony/process": "^4.4|^5.0",
+        "symfony/property-access": "^4.4|^5.0",
+        "symfony/serializer": "^4.4|^5.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Messenger\\Bridge\\Amqp\\": "" },