restrict http-kernel 6.4 and 7.0

Author: filippeb

composer.json

@@ -14,7 +14,7 @@
         "phpro/api-problem": "^1.0",
         "symfony/dependency-injection": "^5.4 || ^6.0 || ^7.0",
         "symfony/event-dispatcher": "^5.4 || ^6.0 || ^7.0",
-        "symfony/http-kernel": "^5.4 || ^6.2 || ^7.0"
+        "symfony/http-kernel": "^6.4 || ^7.0"
     },
     "require-dev": {
         "friendsofphp/php-cs-fixer": "^3.39",