chore: remove direct usage from graphql (#9316)

**What**
Remove direct usage of graphql toold and instead consume it from utils to have a single entry point to graphql tooling

packages/core/utils/src/graphql/index.ts

@@ -7,3 +7,5 @@ export * from "./get-fields-and-relations"
 
 export * from "graphql"
 export * from "graphql/type"
+export { makeExecutableSchema } from "@graphql-tools/schema"
+export { mergeTypeDefs } from "@graphql-tools/merge"