Bump vllm

Bumps [vllm](https://github.com/vllm-project/vllm) from 0.7.2 to 0.8.1.
- [Release notes](https://github.com/vllm-project/vllm/releases)
- [Changelog](https://github.com/vllm-project/vllm/blob/main/RELEASE.md)
- [Commits](vllm-project/vllm@v0.7.2...v0.8.1)

---
updated-dependencies:
- dependency-name: vllm
  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

@@ -168,7 +168,7 @@ tzdata==2024.1
 urllib3==2.2.2
 uvicorn==0.29.0
 uvloop==0.19.0
-vllm==0.7.2
+vllm==0.8.1
 vllm_nccl_cu12==2.18.1.0.4.0
 watchfiles==0.21.0
 websockets==12.0