chore(deps): bump starlette in /plugins/model/llm-ChatGLM2 (#5825)

Bumps [starlette](https://github.com/Kludex/starlette) from 0.47.2 to 0.49.1.
- [Release notes](https://github.com/Kludex/starlette/releases)
- [Changelog](https://github.com/Kludex/starlette/blob/main/docs/release-notes.md)
- [Commits](https://github.com/Kludex/starlette/compare/0.47.2...0.49.1)

---
updated-dependencies:
- dependency-name: starlette
  dependency-version: 0.49.1
  dependency-type: direct:production
...

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

plugins/model/llm-ChatGLM2/requirements.txt

@@ -4,7 +4,7 @@ pydantic==1.10.7
 scikit_learn==1.2.2
 sentence_transformers==2.2.2
 sse_starlette==1.6.5
-starlette==0.47.2
+starlette==0.49.1
 tiktoken==0.4.0
 torch==2.7.1
 transformers==4.53.0