chore(gatsby-source-graphql): remove graphql dependency and use gatsby/graphql (#27150)

Co-authored-by: gatsbybot <mathews.kyle+gatsbybot@gmail.com>

Author: vladar

packages/gatsby-source-graphql/package.json

@@ -14,7 +14,6 @@
     "apollo-link": "1.2.14",
     "apollo-link-http": "^1.5.17",
     "dataloader": "^2.0.0",
-    "graphql": "^14.6.0",
     "invariant": "^2.2.4",
     "node-fetch": "^1.7.3",
     "uuid": "3.4.0"

packages/gatsby-source-graphql/src/batching/__tests__/dataloader-link.js

@@ -1,4 +1,4 @@
-const { parse } = require(`graphql`)
+const { parse } = require(`gatsby/graphql`)
 const { execute } = require(`apollo-link`)
 const { createDataloaderLink } = require(`../dataloader-link`)
 

packages/gatsby-source-graphql/src/batching/__tests__/merge-queries.js

@@ -1,4 +1,4 @@
-const { print, parse } = require(`graphql`)
+const { print, parse } = require(`gatsby/graphql`)
 const { merge, resolveResult } = require(`../merge-queries`)
 
 describe(`Query merging`, () => {

packages/gatsby-source-graphql/src/batching/dataloader-link.js

@@ -1,6 +1,6 @@
 const DataLoader = require(`dataloader`)
 const { ApolloLink, Observable } = require(`apollo-link`)
-const { print } = require(`graphql`)
+const { print } = require(`gatsby/graphql`)
 const { merge, resolveResult } = require(`./merge-queries`)
 
 export function createDataloaderLink(options) {

packages/gatsby-source-graphql/src/batching/merge-queries.js

@@ -1,4 +1,4 @@
-const { visit, visitInParallel, Kind } = require(`graphql`)
+const { visit, visitInParallel, Kind } = require(`gatsby/graphql`)
 const _ = require(`lodash`)
 
 const Prefix = {