Bump the mkdocs group with 1 update (#541)

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


Updates `mkdocs-material` from 9.5.12 to 9.5.13
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.5.12...9.5.13)

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

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

requirements.txt

@@ -2,7 +2,7 @@ mkdocs==1.5.3
 mkdocs-bibtex==2.14.1
 mkdocs-include-markdown-plugin==6.0.4
 mkdocs-table-reader-plugin==2.1.0
-mkdocs-material==9.5.12
+mkdocs-material==9.5.13
 mkdocs-material-extensions==1.3.1
 mkdocstrings==0.24.1
 mkdocstrings-python==1.8.0