Update dependency imageio to v2.31.5

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
imageio	2.31.4 -> 2.31.5

---

Release Notes

imageio/imageio (imageio)

### [`v2.31.5`](https://togithub.com/imageio/imageio/blob/HEAD/CHANGELOG.md#v2315-2023-10-02) [Compare Source](https://togithub.com/imageio/imageio/compare/v2.31.4...v2.31.5) ##### Fix - Raise warning instead of error when using `fps` in pillow ([#​1039](https://togithub.com/imageio/imageio/issues/1039)) ([`520fe62`](https://togithub.com/imageio/imageio/commit/520fe62f02f3c566bb46ab3121eed38b379dc1b9))

---

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.