Update symfony packages to v8

Author: renovate[bot]

composer.json

@@ -39,25 +39,25 @@
         "php": "^8.1",
         "ext-json": "*",
         "ext-pcre": "*",
-        "symfony/form": "^6.4 || ^7.0",
-        "symfony/http-foundation": "^6.4 || ^7.0",
-        "symfony/options-resolver": "^6.4 || ^7.0",
-        "symfony/property-access": "^6.4 || ^7.0",
-        "symfony/translation": "^6.4 || ^7.0",
-        "symfony/validator": "^6.4 || ^7.0"
+        "symfony/form": "^8.0",
+        "symfony/http-foundation": "^8.0",
+        "symfony/options-resolver": "^8.0",
+        "symfony/property-access": "^8.0",
+        "symfony/translation": "^8.0",
+        "symfony/validator": "^8.0"
     },
     "require-dev": {
         "doctrine/doctrine-bundle": "^2.18 || ^3.0",
         "doctrine/orm": "^2.5 || ^3.0",
         "doctrine/persistence": "^3.0 || ^4.0",
         "ergebnis/composer-normalize": "^2.0.1",
-        "symfony/browser-kit": "^6.4 || ^7.0",
-        "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/twig-bridge": "^6.4 || ^7.0",
+        "symfony/browser-kit": "^8.0",
+        "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/twig-bridge": "^8.0",
         "twig/intl-extra": "^2.4 || ^3.0"
     },
     "conflict": {

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": {