message: drop --parallel in electron-rebuild script
diff: @@ -8,7 +8,7 @@ if (
  fs.existsSync(webpackPaths.appNodeModulesPath)
  ) {
  const electronRebuildCmd =
  - '../../node_modules/.bin/electron-rebuild --parallel --force --types prod,dev,optional --module-dir .';
  + '../../node_modules/.bin/electron-rebuild --force --types prod,dev,optional --module-dir .';
  const cmd =
  process.platform === 'win32'
  ? electronRebuildCmd.replace(/\//g, '\\')
  