Bump optuna from 4.0.0 to 4.1.0 (#68)

Bumps [optuna](https://github.com/optuna/optuna) from 4.0.0 to 4.1.0.
- [Release notes](https://github.com/optuna/optuna/releases)
- [Commits](optuna/optuna@v4.0.0...v4.1.0)

---
updated-dependencies:
- dependency-name: optuna
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

requirements-dev.txt

@@ -1 +1 @@
-optuna==4.0.0
+optuna==4.1.0