build(deps-dev): bump mkdocs-section-index from 0.3.11 to 0.3.12

Bumps [mkdocs-section-index](https://github.com/oprypin/mkdocs-section-index) from 0.3.11 to 0.3.12.
- [Release notes](https://github.com/oprypin/mkdocs-section-index/releases)
- [Commits](oprypin/mkdocs-section-index@v0.3.11...v0.3.12)

---
updated-dependencies:
- dependency-name: mkdocs-section-index
  dependency-version: 0.3.12
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pyproject.toml

@@ -46,7 +46,7 @@ docs = [
     "mkdocs-literate-nav>=0.6.3",
     "mkdocs-macros-plugin>=1.5.0",
     "mkdocs-material>=9.7.6",
-    "mkdocs-section-index>=0.3.11",
+    "mkdocs-section-index>=0.3.12",
     "mkdocstrings-python>=2.0.3",
     "pymdown-extensions>=10.21.2",
 ]