Bump mkdocs-section-index from 0.3.3 to 0.3.4
Bumps [mkdocs-section-index](https://github.com/oprypin/mkdocs-section-index) from 0.3.3 to 0.3.4.
- [Release notes](https://github.com/oprypin/mkdocs-section-index/releases)
- [Commits](https://github.com/oprypin/mkdocs-section-index/compare/v0.3.3...v0.3.4)
---
updated-dependencies:
- dependency-name: mkdocs-section-index
dependency-type: direct:development
update-type: version-update:semver-patch
...
Signed-off-by: dependabot[bot] <support@github.com>