message: chore(utils): up esbuild transform target
diff: @@ -14,7 +14,9 @@ function transform(opts: { code: string; filename: string; implementor: any }) {
  const ext = extname(filename);
  return implementor.transformSync(code, {
  loader: ext.slice(1),
  - target: 'es2017',
  + // consistent with `tsconfig.base.json`
  + // https://github.com/umijs/umi-next/pull/729
  + target: 'es2019',
  format: 'cjs',
  }).code;
  }
  