Bump transformers from 4.55.4 to 4.56.0

Bumps [transformers](https://github.com/huggingface/transformers) from 4.55.4 to 4.56.0.
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.55.4...v4.56.0)

---
updated-dependencies:
- dependency-name: transformers
  dependency-version: 4.56.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -17,5 +17,5 @@ tensorboardX==2.6.4
 torch==2.8.0
 torchvision==0.23.0
 tqdm==4.67.1
-transformers==4.55.4
+transformers==4.56.0
 xmltodict==0.14.2