message: cli-flags: add `v` prefix to version
diff: @@ -338,7 +338,7 @@ export default class Parser<T> {
  async init(): Promise<T> {
  // Show help for --version
  if (this.flags.has('version')) {
  - this.reporter.logAll(String(this.opts.version));
  + this.reporter.logAll(`v${String(this.opts.version)}`);
  process.exit(0);
  }
  