Update dependency pip to v23.2.1

This MR contains the following updates:

Package	Update	Change
pip (source, changelog)	minor	==23.1.2 -> ==23.2.1

---

Release Notes

pypa/pip

v23.2.1

Compare Source

v23.2

Compare Source

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

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

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

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot.