build(deps): bump mkdocs-material (#4218)

Bumps the mkdocs-deps group in /hack/mkdocs/image with 1 update: [mkdocs-material](https://github.com/squidfunk/mkdocs-material).


Updates `mkdocs-material` from 9.6.22 to 9.6.23
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.6.22...9.6.23)

---
updated-dependencies:
- dependency-name: mkdocs-material
  dependency-version: 9.6.23
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: mkdocs-deps
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

hack/mkdocs/image/requirements.txt

@@ -10,7 +10,7 @@ MarkupSafe==3.0.3
 mkdocs==1.6.1
 mkdocs-awesome-pages-plugin==2.10.1
 mkdocs-macros-plugin==1.4.1
-mkdocs-material==9.6.22
+mkdocs-material==9.6.23
 mkdocs-redirects==1.2.2
 mkdocs-mermaid2-plugin==1.2.3
 pandas>=2.0.3