Bump transformers from 4.39.0 to 4.39.2

Bumps [transformers](https://github.com/huggingface/transformers) from 4.39.0 to 4.39.2.
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](https://github.com/huggingface/transformers/compare/v4.39.0...v4.39.2)

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

Signed-off-by: dependabot[bot] <support@github.com>

requirements.txt

@@ -2,7 +2,7 @@ mkdocs
 mkdocs-material
 mkdocs-glightbox
 torch>=2.1.1,<3.0
-transformers==4.39.0
+transformers==4.39.2
 asyncio>=3.4.3,<4.0
 einops==0.7.0
 langchain-core==0.1.33