Update transformers to 4.51 (#3148)
* update transformres
* Upgrading the nix deps too.
* Forcing torchvision to be in there.
* Fixing bug in mllama.
* Those tests cannot be run in CI.
* Lint.
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Co-authored-by: Pedro Cuenca <pedro@huggingface.co>
Co-authored-by: Nicolas Patry <patry.nicolas@protonmail.com>