Updated symfony/var-dumper requirement

Author: PHLAK

composer.json

@@ -29,7 +29,7 @@
         "phpstan/phpstan": "^2.0",
         "phpunit/phpunit": "^11.0",
         "psy/psysh": "^0.12.5",
-        "symfony/var-dumper": "^6.0",
+        "symfony/var-dumper": "^7.0",
         "yoast/phpunit-polyfills": "^3.0"
     },
     "autoload": {