Bump Symfony 8 to PHP >= 8.4

Author: nicolas-grekas

composer.json

@@ -16,17 +16,17 @@
         }
     ],
     "require": {
-        "php": ">=8.2",
+        "php": ">=8.4",
         "ext-xml": "*",
         "composer-runtime-api": ">=2.1",
-        "symfony/config": "^7.3|^8.0",
-        "symfony/dependency-injection": "^6.4|^7.0|^8.0",
-        "symfony/http-kernel": "^6.4|^7.0|^8.0",
-        "symfony/twig-bridge": "^6.4|^7.0|^8.0",
-        "symfony/var-dumper": "^6.4|^7.0|^8.0"
+        "symfony/config": "^7.4|^8.0",
+        "symfony/dependency-injection": "^7.4|^8.0",
+        "symfony/http-kernel": "^7.4|^8.0",
+        "symfony/twig-bridge": "^7.4|^8.0",
+        "symfony/var-dumper": "^7.4|^8.0"
     },
     "require-dev": {
-        "symfony/web-profiler-bundle": "^6.4|^7.0|^8.0"
+        "symfony/web-profiler-bundle": "^7.4|^8.0"
     },
     "autoload": {
         "psr-4": { "Symfony\\Bundle\\DebugBundle\\": "" },