Bump mkdocstrings-python in the mkdocstrings group

Bumps the mkdocstrings group with 1 update: [mkdocstrings-python](https://github.com/mkdocstrings/python).


Updates `mkdocstrings-python` from 1.16.12 to 1.18.2
- [Release notes](https://github.com/mkdocstrings/python/releases)
- [Changelog](https://github.com/mkdocstrings/python/blob/main/CHANGELOG.md)
- [Commits](mkdocstrings/python@1.16.12...1.18.2)

---
updated-dependencies:
- dependency-name: mkdocstrings-python
  dependency-version: 1.18.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: mkdocstrings
...

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

Author: dependabot[bot]

pyproject.toml

@@ -63,7 +63,7 @@ dev-mkdocs = [
   "mkdocs-macros-plugin == 1.3.7",
   "mkdocs-material == 9.6.16",
   "mkdocstrings[python] == 0.30.0",
-  "mkdocstrings-python == 1.16.12",
+  "mkdocstrings-python == 1.18.2",
   "frequenz-repo-config[lib] == 0.13.5",
 ]
 dev-mypy = [