Update dependency imageio to v2.31.6

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
imageio	2.31.5 -> 2.31.6

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Release Notes

imageio/imageio (imageio)

### [`v2.31.6`](https://togithub.com/imageio/imageio/blob/HEAD/CHANGELOG.md#v2316-2023-10-23) [Compare Source](https://togithub.com/imageio/imageio/compare/v2.31.5...v2.31.6) ##### Fix - Pin pillow below v10.1 to avoid breaking changes ([#​1046](https://togithub.com/imageio/imageio/issues/1046)) ([`c97aa5e`](https://togithub.com/imageio/imageio/commit/c97aa5e3b2006f4dfdbd6005cc664f5ae2646f92))

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Configuration

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