build(deps): Update datasets requirement

Updates the requirements on [datasets](https://github.com/huggingface/datasets) to permit the latest version.
- [Release notes](https://github.com/huggingface/datasets/releases)
- [Commits](huggingface/datasets@2.15.0...3.0.0)

---
updated-dependencies:
- dependency-name: datasets
  dependency-type: direct:production
...

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

pyproject.toml

@@ -36,7 +36,7 @@ dependencies = [
 "trl>=0.9.3,<1.0",
 "peft>=0.8.0,<0.13",
 "protobuf>=5.28.0,<6.0.0",
-"datasets>=2.15.0,<3.0",
+"datasets>=2.15.0,<4.0",
 "simpleeval>=0.9.13,<1.0",
 ]