Add vendor prefix to env variable

jurry/amqp-symfony-bundle/1.0/config/packages/jurry_rabbitmq.yaml

@@ -1,5 +1,5 @@
 amqp_handler:
-    connection: '%env(RABBIT_MQ_DSN)%'
+    connection: '%env(JURRY_RABBIT_MQ_DSN)%'
     queues_properties:
         sync_queue:
             name: stores_sync

jurry/amqp-symfony-bundle/1.0/manifest.json

@@ -6,6 +6,6 @@
         "config/": "%CONFIG_DIR%/"
     },
     "env": {
-        "RABBIT_MQ_DSN": "tcp://guest:guest@127.0.0.1:5672"
+        "JURRY_RABBIT_MQ_DSN": "tcp://guest:guest@127.0.0.1:5672"
     }
 }