Bump mkdocs-material from 9.5.30 to v9.5.31

[dghubble-renovate[bot]]

This PR contains the following updates:

Package	Update	Change
mkdocs-material (changelog)	patch	==9.5.30 -> ==9.5.31

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Release Notes

squidfunk/mkdocs-material (mkdocs-material)

### [`v9.5.31`](https://togithub.com/squidfunk/mkdocs-material/releases/tag/9.5.31): mkdocs-material-9.5.31 [Compare Source](https://togithub.com/squidfunk/mkdocs-material/compare/9.5.30...9.5.31) - Fixed [#​7405](https://togithub.com/squidfunk/mkdocs-material/issues/7405): DockerHub missing images > 9.5.27 due to change in Alpine/APK

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