Bump mkdocs from 1.6.0 to 1.6.1 (microsoft#2519)

Bumps [mkdocs](https://github.com/mkdocs/mkdocs) from 1.6.0 to 1.6.1.
- [Release notes](https://github.com/mkdocs/mkdocs/releases)
- [Commits](mkdocs/mkdocs@1.6.0...1.6.1)

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

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

requirements-docs.txt

@@ -1,4 +1,4 @@
-mkdocs==1.6.0
+mkdocs==1.6.1
 mkdocs-material==9.5.33
 pymdown-extensions==10.9
 mike==2.1.3