Bump litellm from 1.82.6 to 1.83.0 in /packages/graphrag-llm

Bumps [litellm](https://github.com/BerriAI/litellm) from 1.82.6 to 1.83.0.
- [Release notes](https://github.com/BerriAI/litellm/releases)
- [Commits](https://github.com/BerriAI/litellm/commits)

---
updated-dependencies:
- dependency-name: litellm
  dependency-version: 1.83.0
  dependency-type: direct:production
...

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Author: dependabot[bot]

packages/graphrag-llm/pyproject.toml

@@ -36,7 +36,7 @@ dependencies = [
     "graphrag-cache==3.0.8",
     "graphrag-common==3.0.8",
     "jinja2~=3.1",
-    "litellm==1.82.6",
+    "litellm==1.83.0",
     "nest-asyncio2~=1.7",
     "pydantic~=2.10",
     "typing-extensions~=4.12"