Bump symfony/* deps to ^5.4|^6.0

Author: nicolas-grekas

composer.json

@@ -14,11 +14,11 @@
     "require": {
         "php": ">=8.0.2",
         "pda/pheanstalk": "^4.0",
-        "symfony/messenger": "^4.4|^5.0|^6.0"
+        "symfony/messenger": "^5.4|^6.0"
     },
     "require-dev": {
-        "symfony/property-access": "^4.4|^5.0|^6.0",
-        "symfony/serializer": "^4.4|^5.0|^6.0"
+        "symfony/property-access": "^5.4|^6.0",
+        "symfony/serializer": "^5.4|^6.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Messenger\\Bridge\\Beanstalkd\\": "" },