Update transformers to v4.55 (#21931)

Signed-off-by: Harry Mellor <19981378+hmellor@users.noreply.github.com>
Signed-off-by: DarkLight1337 <tlleungac@connect.ust.hk>
Signed-off-by: Isotr0py <2037008807@qq.com>
Signed-off-by: isotr0py <2037008807@qq.com>
Signed-off-by: Isotr0py <mozf@mail2.sysu.edu.cn>
Co-authored-by: DarkLight1337 <tlleungac@connect.ust.hk>
Co-authored-by: Isotr0py <2037008807@qq.com>
Co-authored-by: Isotr0py <mozf@mail2.sysu.edu.cn>
Co-authored-by: Woosuk Kwon <woosuk.kwon@berkeley.edu>

tests/models/multimodal/generation/test_common.py

@@ -337,6 +337,10 @@ VLM_TEST_SETTINGS = {
         vllm_output_post_proc=model_utils.fuyu_vllm_to_hf_output,
         num_logprobs=10,
         image_size_factors=[(), (0.25,), (0.25, 0.25, 0.25), (0.25, 0.2, 0.15)],
+        # FIXME(Isotr0py): This model is broken in Transformers v4.54.1, we
+        # should enable this again after the fix is released:
+        # https://github.com/huggingface/transformers/pull/39915
+        marks=[pytest.mark.skip("HF model is broken")],
     ),
     "gemma3": VLMTestInfo(
         models=["google/gemma-3-4b-it"],