RenovateBot: Update dependency coverage to v7.4.3

This MR contains the following updates:

Package	Update	Change
coverage	patch	==7.4.2 -> ==7.4.3

---

Release Notes

nedbat/coveragepy (coverage)

v7.4.3

Compare Source

• Fix: in some cases, coverage could fail with a RuntimeError: "Set changed size during iteration." This is now fixed, closing issue 1733_.

.. _issue 1733: https://github.com/nedbat/coveragepy/issues/1733

.. _changes_7-4-2:

---

Configuration

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

---

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

---

This MR has been generated by Renovate Bot.