Fix esrun failure due to fs/promises import (digital-loukoum/esrun#40)

server/src/frontend.ts

@@ -1,6 +1,6 @@
 import type { Manifest } from "vite";
 import { paths, serve } from "facilmap-frontend/build.js";
-import { readFile } from "fs/promises";
+import { readFile } from "node:fs/promises";
 import type { ID, Line, Marker, PadData, Type } from "facilmap-types";
 import * as ejs from "ejs";
 import * as utils from "facilmap-utils";

server/src/geoip.ts

@@ -3,7 +3,7 @@ import md5 from "md5-file";
 import { schedule } from "node-cron";
 import { open, type Reader, type Response } from "maxmind";
 import { createWriteStream } from "fs";
-import { rename } from "fs/promises";
+import { rename } from "node:fs/promises";
 import https from "https";
 import zlib from "zlib";
 import config from "./config.js";