Bump ray in /api-server/qna-eval in the pip group across 1 directory

Bumps the pip group with 1 update in the /api-server/qna-eval directory: [ray](https://github.com/ray-project/ray).


Updates `ray` from 2.40.0 to 2.43.0
- [Release notes](https://github.com/ray-project/ray/releases)
- [Commits](ray-project/ray@ray-2.40.0...ray-2.43.0)

---
updated-dependencies:
- dependency-name: ray
  dependency-type: direct:production
  dependency-group: pip
...

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

Author: dependabot[bot]

api-server/qna-eval/requirements.txt

@@ -130,7 +130,7 @@ python-dateutil==2.9.0.post0
 python-dotenv==1.0.1
 PyYAML==6.0.2
 pyzmq==26.2.0
-ray==2.40.0
+ray==2.43.0
 referencing==0.35.1
 regex==2024.11.6
 requests==2.32.3