Design system example does not proceed when prompt appears in npm `dev` script

What version of Turborepo are you using?

1.3.1

What package manager are you using / does the bug impact?

Yarn v1

What operating system are you using?

Mac

Describe the Bug

Following the install instructions for the design system example, I am not able to complete the dev script. There is a prompt in the script, since I already have port 6006 running which reads:

? Port 6006 is not available. Would you like to run Storybook on port 6007 instead? › (Y/n)

Pressing Enter does not complete the prompt, and the script waits. The storybook server is never started.

Expected Behavior

The prompt allows for interactivity or The "yes" option is selected automatically.

The first option may better for safety/security.

To Reproduce

1. Have something listening on port 6006. You can run nc -l 6006 on a mac/linux machine in a separate terminal window to do this.
2. Run the dev script after installing the design-system package. Install instructions
3. See message from description prompting Y/n.
4. No way to proceed after this.

Related https://github.com/vercel/turborepo/issues/1235

Closing as stale! Our recent example updates have this covered.