Bump llama-index in /example_dropin_environments/python311_genai-gpu

Bumps [llama-index](https://github.com/run-llama/llama_index) from 0.10.37 to 0.13.0.
- [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@v0.10.37...v0.13.0)

---
updated-dependencies:
- dependency-name: llama-index
  dependency-version: 0.13.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

example_dropin_environments/python311_genai-gpu/requirements.txt

@@ -22,7 +22,7 @@ aioboto3==12.1.0
 rouge-score==0.1.2
 fugashi==1.3.2
 unidic-lite==1.0.8
-llama-index==0.10.37
+llama-index==0.13.0
 llama-index-llms-azure-openai==0.1.8
 distro==1.9.0
 # next version of httpx, 0.28.0, has a bug that breaks opanai library, which is pinned