Update ray[data,default] requirement from ~=2.39.0 to ~=2.40.0

Updates the requirements on [ray[data,default]](https://github.com/ray-project/ray) to permit the latest version.
- [Release notes](https://github.com/ray-project/ray/releases)
- [Commits](ray-project/ray@ray-2.39.0...ray-2.40.0)

---
updated-dependencies:
- dependency-name: ray[data,default]
  dependency-type: direct:production
...

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

pyproject.toml

@@ -41,7 +41,7 @@ dependencies = [
     "python-dotenv~=1.0",
     "python-terrier~=0.11.0",
     "ragas~=0.1.15",
-    "ray[default,data]~=2.39.0",
+    "ray[default,data]~=2.40.0",
     "ray-elasticsearch~=1.0.0",
     "rouge-score~=0.1.2",
     "scikit-learn~=1.5",