Update dependency flake8-docstrings to v1.7.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
flake8-docstrings	==1.6.0 -> ==1.7.0

---

Release Notes

pycqa/flake8-docstrings

### [`v1.7.0`](https://togithub.com/pycqa/flake8-docstrings/blob/HEAD/HISTORY.rst#​170) [Compare Source](https://togithub.com/pycqa/flake8-docstrings/compare/1.6.0...1.7.0) - Add `--property-decorators` option.

---

Configuration

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

🚦 Automerge: Enabled.

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

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

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.