Bump mkdocs-section-index from 0.3.5 to 0.3.6

Bumps [mkdocs-section-index](https://github.com/oprypin/mkdocs-section-index) from 0.3.5 to 0.3.6.
- [Release notes](https://github.com/oprypin/mkdocs-section-index/releases)
- [Commits](oprypin/mkdocs-section-index@v0.3.5...v0.3.6)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -47,7 +47,7 @@ dev-mkdocs = [
   "mkdocs-gen-files == 0.5.0",
   "mkdocs-literate-nav == 0.6.0",
   "mkdocs-material == 9.2.8",
-  "mkdocs-section-index == 0.3.5",
+  "mkdocs-section-index == 0.3.6",
   "mkdocstrings[python] == 0.23.0",
   "frequenz-repo-config[lib] == 0.4.0",
 ]