message: Stop using $(npm bin)
diff: @@ -16,13 +16,9 @@ const customNamePluginZipPath = path.resolve(
  'nfjiheanbocphdnoehhpddjmkhciokjb.sample.plugin.zip'
  );
  -const npmBinPath = spawnSync('npm', ['bin'])
  - .stdout.toString()
  - .replace(/[\n\r]/, '');
  -
  const runWebpack = (config = 'webpack.config.js') =>
  spawnSync(
  - path.resolve(npmBinPath, 'webpack'),
  + path.resolve('node_modules', '.bin', 'webpack'),
  ['--config', config, '--mode', 'production'],
  {
  cwd: pluginDir
  