Bump vllm

Bumps [vllm](https://github.com/vllm-project/vllm) from 0.8.5 to 0.9.0.
- [Release notes](https://github.com/vllm-project/vllm/releases)
- [Changelog](https://github.com/vllm-project/vllm/blob/main/RELEASE.md)
- [Commits](vllm-project/vllm@v0.8.5...v0.9.0)

---
updated-dependencies:
- dependency-name: vllm
  dependency-version: 0.9.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

cloud-infrastructure/ai-infra-gpu/ai-infrastructure/rag-langchain-vllm-mistral/files/requirements.txt

@@ -230,7 +230,7 @@ tzdata==2025.2
 urllib3==2.3.0
 uvicorn==0.34.0
 uvloop==0.21.0
-vllm==0.8.5
+vllm==0.9.0
 watchfiles==1.0.5
 wcwidth @ file:///Users/ktietz/demo/mc3/conda-bld/wcwidth_1629357192024/work
 websocket-client==1.8.0