Update datasets requirement from <5,>=2.18 to >=2.18,<6

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@2.18.0...5.0.0)

---
updated-dependencies:
- dependency-name: datasets
  dependency-version: 5.0.0
  dependency-type: direct:production
...

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

Author: dependabot[bot]

pyproject.toml

@@ -32,7 +32,7 @@ dependencies = [
   "pyyaml>=6,<7",
   "pycgns>=6.3,<7",
   "zarr>=3.1,<4",
-  "datasets>=2.18,<5",
+  "datasets>=2.18,<6",
   "numpy>=2.0,<3",
   "pydantic>=2.6,<3",
 ]