Bump mkdocs from 1.4.3 to 1.5.2

Bumps [mkdocs](https://github.com/mkdocs/mkdocs) from 1.4.3 to 1.5.2.
- [Release notes](https://github.com/mkdocs/mkdocs/releases)
- [Commits](https://github.com/mkdocs/mkdocs/compare/1.4.3...1.5.2)

---
updated-dependencies:
- dependency-name: mkdocs
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

requirements-dev.txt

@@ -1,5 +1,5 @@
 build==0.10.0
-mkdocs==1.4.3
+mkdocs==1.5.2
 mkdocs-material==9.1.18
 mkdocstrings[python]==0.22.0
 twine==4.0.2