Bump ray[tune] from 2.9.0 to 2.9.1 (#55)

Bumps [ray[tune]](https://github.com/ray-project/ray) from 2.9.0 to 2.9.1.
- [Release notes](https://github.com/ray-project/ray/releases)
- [Commits](ray-project/ray@ray-2.9.0...ray-2.9.1)

---
updated-dependencies:
- dependency-name: ray[tune]
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements.txt

@@ -1,4 +1,4 @@
-ray[tune] ==2.9.0
+ray[tune] ==2.9.1
 scikit-learn ==1.3.2
 streamlit ==1.30.0
 lightning[app] >=2.1.0, <3.0.0