chore(deps): bump mkdocs-material from 9.5.46 to 9.5.48 in /docs

Bumps [mkdocs-material](https://github.com/squidfunk/mkdocs-material) from 9.5.46 to 9.5.48.
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](squidfunk/mkdocs-material@9.5.46...9.5.48)

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

Signed-off-by: dependabot[bot] <[email protected]>

docs/requirements.txt

@@ -1,5 +1,5 @@
 # Include required packages for mkdocs
-mkdocs-material==9.5.46
+mkdocs-material==9.5.48
 mkdocs-material-extensions==1.3.1
 mike==2.1.3
 mkdocs-git-revision-date-plugin==0.3.2