Bump transformers from 4.38.0 to 4.50.0

Bumps [transformers](https://github.com/huggingface/transformers) from 4.38.0 to 4.50.0.
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.38.0...v4.50.0)

---
updated-dependencies:
- dependency-name: transformers
  dependency-version: 4.50.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.txt

@@ -12,7 +12,7 @@ uvicorn==0.18.2
 fastapi==0.92.0
 gunicorn==22.0.0
 python-dotenv==0.21.1
-transformers==4.38.0
+transformers==4.50.0
 numpy==1.24.2
 Pillow==10.3.0
 tqdm==4.66.3