Bump llama-index from 0.12.9 to 0.12.11

Bumps [llama-index](https://github.com/run-llama/llama_index) from 0.12.9 to 0.12.11.
- [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@v0.12.9...v0.12.11)

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

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

requirements.txt

@@ -29,7 +29,7 @@ temmeta==0.0.6
 vtk==9.2.6
 pytorch==2.1.2
 tensorflow==2.17.0
-llama-index==0.12.9
+llama-index==0.12.11
 netcdf4==1.7.1
 maxvolpy==0.3.8
 bokeh==3.6.2