Bump mkdocs-material from 9.5.38 to 9.5.39 (#211)

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 9.5.38 to 9.5.39.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.5.38...9.5.39)

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

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

docs/requirements.txt

@@ -3,7 +3,7 @@ jinja2==3.1.4
 mike==2.1.3
 mkdocs-git-revision-date-localized-plugin==1.2.9
 mkdocs-markdownextradata-plugin==0.2.6
-mkdocs-material==9.5.38
+mkdocs-material==9.5.39
 mkdocs-minify-plugin==0.8.0
 mkdocs-static-i18n==1.2.3
 mkdocs-git-committers-plugin-2==2.3.0