chore(deps): bump transformers in /src/pipeline/backend/vllm (#183)

Bumps [transformers](https://github.com/huggingface/transformers) from 4.51.3 to 4.53.0.
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.51.3...v4.53.0)

---
updated-dependencies:
- dependency-name: transformers
  dependency-version: 4.53.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/pipeline/backend/vllm/requirements_dots_ocr.txt

@@ -3,7 +3,7 @@ gradio_image_annotation
 PyMuPDF
 openai
 qwen_vl_utils
-transformers==4.51.3
+transformers==4.53.0
 huggingface_hub
 modelscope
 flash-attn==2.8.0.post2