convert : update transformers requirements (#16866)

* Update requirements-convert_legacy_llama.txt

Updated requirements to support Qwen3-VL in transformers 4.57.1 version

* Update requirements/requirements-convert_legacy_llama.txt

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

---------

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

requirements/requirements-convert_legacy_llama.txt

@@ -1,14 +1,7 @@
 numpy~=1.26.4
 sentencepiece~=0.2.0
 
-# Embedding Gemma is currently a preview release:
-# https://github.com/huggingface/transformers/releases/tag/v4.56.0-Embedding-Gemma-preview
-
-# The version is needed to be able to convert Embedding Gemma models to GGUF format:
-git+https://github.com/huggingface/transformers@v4.56.0-Embedding-Gemma-preview
-
-# Once Embedding Gemma is officially released, we can switch to:
-#transformers>=4.57.1,<5.0.0
+transformers>=4.57.1,<5.0.0
 
 gguf>=0.1.0
 protobuf>=4.21.0,<5.0.0