Update dependency pyusb to v1.2.1

This MR contains the following updates:

Package	Type	Update	Change
pyusb	ironbank-pypi	minor	1.0.2 -> 1.2.1
pyusb		minor	==1.0.2 -> ==1.2.1

---

Configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this MR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this MR, click this checkbox.

---

This MR has been generated by Renovate Bot.