Bump optuna from 3.3.0 to 3.4.0

Bumps [optuna](https://github.com/optuna/optuna) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/optuna/optuna/releases)
- [Commits](optuna/optuna@v3.3.0...v3.4.0)

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

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