Update graphql schema once again

Somehow my local version did not match CI/CD.

Author: JJ-8

front/graphql.schema.json

@@ -1,16 +1,13 @@
 {
   "__schema": {
     "queryType": {
-      "name": "Query",
-      "kind": "OBJECT"
+      "name": "Query"
     },
     "mutationType": {
-      "name": "Mutation",
-      "kind": "OBJECT"
+      "name": "Mutation"
     },
     "subscriptionType": {
-      "name": "Subscription",
-      "kind": "OBJECT"
+      "name": "Subscription"
     },
     "types": [
       {