Update symfony packages to v8

Author: renovate[bot]

composer.json

@@ -41,18 +41,18 @@
         "php": "^8.3",
         "knplabs/knp-menu": "^2.1 || ^3.1",
         "sonata-project/block-bundle": "^4.21 || ^5.0",
-        "symfony/config": "^6.4 || ^7.0",
-        "symfony/dependency-injection": "^6.4 || ^7.0",
-        "symfony/expression-language": "^6.4 || ^7.0",
-        "symfony/framework-bundle": "^6.4 || ^7.0",
-        "symfony/http-kernel": "^6.4 || ^7.0",
+        "symfony/config": "^8.0",
+        "symfony/dependency-injection": "^8.0",
+        "symfony/expression-language": "^8.0",
+        "symfony/framework-bundle": "^8.0",
+        "symfony/http-kernel": "^8.0",
         "symfony/translation-contracts": "^1.1 || ^2.0 || ^3.0"
     },
     "require-dev": {
         "ergebnis/composer-normalize": "^2.0.1",
         "knplabs/knp-menu-bundle": "^2.3 || ^3.0",
-        "symfony/browser-kit": "^6.4 || ^7.0",
-        "symfony/translation": "^6.4 || ^7.0"
+        "symfony/browser-kit": "^8.0",
+        "symfony/translation": "^8.0"
     },
     "autoload": {
         "psr-4": {

vendor-bin/tools/composer.json

@@ -13,7 +13,7 @@
         "phpstan/phpstan-strict-rules": "^2.0.0",
         "phpstan/phpstan-symfony": "^2.0.0",
         "phpunit/phpunit": "^12.0.0",
-        "symfony/phpunit-bridge": "^7.0.0"
+        "symfony/phpunit-bridge": "^8.0.0"
     },
     "config": {
         "allow-plugins": {