Bump vllm from 0.28.0 to 0.30.0 in /sota-implementations/grpo

Bumps [vllm](https://github.com/vllm-project/vllm) from 0.28.0 to 0.30.0.
- [Release notes](https://github.com/vllm-project/vllm/releases)
- [Commits](vllm-project/vllm@v0.28.0...v0.30.0)

---
updated-dependencies:
- dependency-name: vllm
  dependency-version: 0.30.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

sota-implementations/grpo/requirements_gsm8k.txt

@@ -1,4 +1,4 @@
-vllm==0.28.0
+vllm==0.30.0
 peft
 bitsandbytes
 datasets

sota-implementations/grpo/requirements_ifeval.txt

@@ -1,4 +1,4 @@
-vllm==0.28.0
+vllm==0.30.0
 torch
 transformers
 peft