chore(deps): bump urllib3 from 1.26.18 to 2.1.0 in /llm-server

Bumps [urllib3](https://github.com/urllib3/urllib3) from 1.26.18 to 2.1.0.
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@1.26.18...2.1.0)

---
updated-dependencies:
- dependency-name: urllib3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

llm-server/requirements.txt

@@ -131,7 +131,7 @@ typer==0.9.0
 typing-inspect==0.9.0
 typing_extensions==4.8.0
 tzdata==2023.3
-urllib3==1.26.18
+urllib3==2.1.0
 uvicorn==0.24.0.post1
 uvloop==0.19.0
 validators==0.22.0