Bump mkdocs from 1.6.0 to 1.6.1 in the docs group (#9887)

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


Updates `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-version: 1.6.1
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: docs
...

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

Author: dependabot[bot]

pyproject.toml

@@ -58,7 +58,7 @@ test = [
 ]
 docs = [
   # MkDocs to build our documentation.
-  "mkdocs==1.6.0",
+  "mkdocs==1.6.1",
   # pylinkvalidator to check for broken links in documentation.
   "pylinkvalidator==0.3",
 ]