Bump litellm from 1.52.15 to 1.52.16

Bumps [litellm](https://github.com/BerriAI/litellm) from 1.52.15 to 1.52.16.
- [Release notes](https://github.com/BerriAI/litellm/releases)
- [Commits](BerriAI/litellm@v1.52.15...v1.52.16)

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

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

Author: dependabot[bot]

poetry.lock

@@ -17,7 +17,7 @@ weaviate-client = ">=4.9.3"
 torch = ">=2.5.1"
 transformers = ">=4.46.3"
 
-litellm = "^1.52.15"
+litellm = "^1.52.16"
 llama_cpp_python = ">=0.3.2"
 
 [tool.poetry.group.dev.dependencies]