Add ext-json dep

TamasSzigeti · TamasSzigeti · commit 7053b43545cc · 2021-06-22T09:13:43.000+02:00
diff --git a/composer.json b/composer.json
@@ -17,6 +17,7 @@
   ],
   "require" : {
     "php" : ">=7.2",
+    "ext-json": "*",
     "thecodingmachine/graphqlite" : "^4.1.2",
     "thecodingmachine/graphqlite-symfony-validator-bridge" : "^4.1",
     "symfony/framework-bundle": "^4.2 || ^5",
