Wrap vllm inputs to compatible with VLLM>=0.10.2

[JIElite]

I've implemented the code to support VLLM>=0.10.2 as mentioned in issue #1002, so that we can evaluate the newest models with lighteval.

Please take a look.
Thank you.

[HuggingFaceDocBuilderDev]

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[sihyeonn]

Hey @JIElite — your analysis in #1002 was right on the money.

#1173 landed in the meantime and handled the bulk of the upgrade. There were still a couple of leftover wrapping patterns though, so I put up #1191 to clean those out. Turns out PromptType takes list[int] directly now so the wrapping was just unnecessary overhead.