chore: add consistent type imports

lib/graphql/request.ts

@@ -1,5 +1,4 @@
 import fetchRetry from "fetch-retry"
-import { DocumentNode } from "graphql"
 import { GraphQLClient } from "graphql-request"
 import { cache } from "react"
 
@@ -8,7 +7,9 @@ import { getPreviewHash, isPreviewByUid } from "@/lib/previewContext"
 
 import { request as _request } from "./_request"
 
-import { Data } from "@/types/request"
+import type { DocumentNode } from "graphql"
+
+import type { Data } from "@/types/request"
 
 export async function request<T>(
   query: string | DocumentNode,