message: fix: ensure the temp dir
diff: @@ -397,6 +397,9 @@ export namespace Forge {
  }
  const temp = tempDir || await fs.promises.mkdtemp(mc.root + path.sep);
  + if (!fs.existsSync(temp)) {
  + await ensureDir(temp);
  + }
  const installJar = path.join(temp, "forge-installer.jar");
  function processValue(v: string) {
  