Update datasets requirement from >=2.14.0 to >=4.8.4

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@2.14.0...4.8.4)

---
updated-dependencies:
- dependency-name: datasets
  dependency-version: 4.8.4
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -34,7 +34,7 @@ dependencies = [
     "hydra-optuna-sweeper>=1.2.0",
     "rootutils",
     "rich>=13.0.0",
-    "datasets>=2.14.0",
+    "datasets>=4.8.4",
     "transformers>=4.30.0",
     "biopython>=1.81",
     "zstandard>=0.18.0",