improve: remove needless deep imports into graphql

This makes the library better prepared for future versions of `graphql`
package.

See: graphql/graphql-js#4074

src/layers/5_client/client.returnMode.test-d.ts

@@ -1,6 +1,6 @@
 /* eslint-disable */
 import { ExecutionResult } from 'graphql'
-import { ObjMap } from 'graphql/jsutils/ObjMap.js'
+import { type ObjMap } from 'graphql/jsutils/ObjMap.js'
 import { describe } from 'node:test'
 import { expectTypeOf, test } from 'vitest'
 import { Graffle } from '../../../tests/_/schema/generated/__.js'

src/legacy/helpers/analyzeDocument.ts

@@ -6,9 +6,9 @@ import type { RequestDocument } from './types.js'
  * instead of the entire package (greater than 500KiB) where tree-shaking is not supported.
  * @see https://github.com/jasonkuhrt/graphql-request/pull/543
  */
-import { type DocumentNode, OperationTypeNode } from 'graphql/language/ast.js'
-import { parse } from 'graphql/language/parser.js'
-import { print } from 'graphql/language/printer.js'
+import { type DocumentNode, OperationTypeNode } from 'graphql'
+import { parse } from 'graphql'
+import { print } from 'graphql'
 
 /**
  * helpers

src/legacy/helpers/types.ts

@@ -1,6 +1,6 @@
 import type { TypedDocumentNode } from '@graphql-typed-document-node/core'
-import type { GraphQLError } from 'graphql/error/GraphQLError.js'
-import type { DocumentNode } from 'graphql/language/ast.js'
+import type { GraphQLError } from 'graphql'
+import type { DocumentNode } from 'graphql'
 import type { MaybeLazy, MaybePromise, RemoveIndex } from '../../lib/prelude.js'
 import type { ClientError } from '../classes/ClientError.js'
 

src/legacy/lib/graphql.ts

@@ -6,7 +6,7 @@ import { isPlainObject } from '../../lib/prelude.js'
  * instead of the entire package (greater than 500KiB) where tree-shaking is not supported.
  * @see https://github.com/jasonkuhrt/graphql-request/pull/543
  */
-import type { OperationDefinitionNode } from 'graphql/language/ast.js'
+import type { OperationDefinitionNode } from 'graphql'
 
 /**
  * Clean a GraphQL document to send it via a GET query

src/lib/graphql.ts

@@ -11,7 +11,7 @@ import {
   isListType,
   isNonNullType,
 } from 'graphql'
-import type { ObjMap } from 'graphql/jsutils/ObjMap.js'
+import type { ObjMap } from 'graphql'
 import type { Errors } from './errors/__.js'
 
 export type TypeMapByKind =