Bump Symfony 8 to PHP >= 8.4

Author: nicolas-grekas

composer.json

@@ -12,13 +12,13 @@
         }
     ],
     "require": {
-        "php": ">=8.2",
+        "php": ">=8.4",
         "pda/pheanstalk": "^5.1|^7.0",
-        "symfony/messenger": "^7.3|^8.0"
+        "symfony/messenger": "^7.4|^8.0"
     },
     "require-dev": {
-        "symfony/property-access": "^6.4|^7.0|^8.0",
-        "symfony/serializer": "^6.4|^7.0|^8.0"
+        "symfony/property-access": "^7.4|^8.0",
+        "symfony/serializer": "^7.4|^8.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Component\\Messenger\\Bridge\\Beanstalkd\\": "" },