Bump datasets from 3.5.0 to 3.6.0

Bumps [datasets](https://github.com/huggingface/datasets) from 3.5.0 to 3.6.0.
- [Release notes](https://github.com/huggingface/datasets/releases)
- [Commits](huggingface/datasets@3.5.0...3.6.0)

---
updated-dependencies:
- dependency-name: datasets
  dependency-version: 3.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

backend/requirements.txt

@@ -5,7 +5,7 @@ torchvision==0.20.1
 # Huggingface dependencies
 transformers[sentencepiece]==4.47.1
 diffusers==0.33.1
-datasets==3.5.0
+datasets==3.6.0
 accelerate==1.7.0
 huggingface-hub==0.30.2
 bitsandbytes==0.45.5