Allow Symfony 6

Author: derrabus

composer.json

@@ -18,13 +18,13 @@
     "require": {
         "php": ">=7.2.5",
         "symfony/deprecation-contracts": "^2.1",
-        "symfony/messenger": "^5.3"
+        "symfony/messenger": "^5.3|^6.0"
     },
     "require-dev": {
-        "symfony/event-dispatcher": "^4.4|^5.0",
-        "symfony/process": "^4.4|^5.0",
-        "symfony/property-access": "^4.4|^5.0",
-        "symfony/serializer": "^4.4|^5.0"
+        "symfony/event-dispatcher": "^4.4|^5.0|^6.0",
+        "symfony/process": "^4.4|^5.0|^6.0",
+        "symfony/property-access": "^4.4|^5.0|^6.0",
+        "symfony/serializer": "^4.4|^5.0|^6.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Messenger\\Bridge\\Amqp\\": "" },