[Backport release-0.7] pyserial driver: add pipe command on cli

[jumpstarter-backport-bot]

Bot-based backport to release-0.7, triggered by a label in #781.

[coderabbitai]

Important

Review skipped

Bot user detected.

To trigger a single review, invoke the @coderabbitai review command.

You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}