misc: update vllm dependency to support attention size 160

[PaoloAlbano]

What does this PR do?

changed to a version of vllm that supports head size 160.

or @Narsil if you merge this, I can directly change the commit id

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@OlivierDehaene OR @Narsil

[Narsil]

Hey thanks.

Which model uses 160 ? I'm curious I never saw one.