chore(deps): update dependency mkdocs-material to v8.5.9

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
mkdocs-material	`==8.5.8` -> `==8.5.9`

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Release Notes

squidfunk/mkdocs-material

### [`v8.5.9`](https://togithub.com/squidfunk/mkdocs-material/releases/tag/8.5.9): mkdocs-material-8.5.9 [Compare Source](https://togithub.com/squidfunk/mkdocs-material/compare/8.5.8...8.5.9) - Fixed [#4600](https://togithub.com/squidfunk/mkdocs-material/issues/4600): Illegible links for black/white primary colors (8.5.8 regression) - Fixed [#4594](https://togithub.com/squidfunk/mkdocs-material/issues/4594): Need to set schema to change link color

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