📦 Add explicit dependency to supported version of symfony/config

Author: andrew-demb

composer.json

@@ -20,6 +20,7 @@
     "ext-json": "*",
     "thecodingmachine/graphqlite" : "^6.0",
     "thecodingmachine/graphqlite-symfony-validator-bridge" : "^6.0",
+    "symfony/config": "^6",
     "symfony/framework-bundle": "^6",
     "symfony/validator": "^6",
     "symfony/translation": "^6",