chore(deps-dev): bump llama-index from 0.11.5 to 0.11.6 (All-Hands-AI…

…#3761)

Bumps [llama-index](https://github.com/run-llama/llama_index) from 0.11.5 to 0.11.6.
- [Release notes](https://github.com/run-llama/llama_index/releases)
- [Changelog](https://github.com/run-llama/llama_index/blob/main/CHANGELOG.md)
- [Commits](run-llama/llama_index@v0.11.5...v0.11.6)

---
updated-dependencies:
- dependency-name: llama-index
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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