chore(deps): bump cmaes from 0.11.1 to 0.12.0

Bumps [cmaes](https://github.com/CyberAgentAILab/cmaes) from 0.11.1 to 0.12.0.
- [Release notes](https://github.com/CyberAgentAILab/cmaes/releases)
- [Commits](https://github.com/CyberAgentAILab/cmaes/compare/v0.11.1...v0.12.0)

---
updated-dependencies:
- dependency-name: cmaes
  dependency-version: 0.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

requirements-hyperopt.txt

@@ -6,4 +6,4 @@ scipy==1.16.0
 scikit-learn==1.7.1
 filelock==3.18.0
 optuna==4.4.0
-cmaes==0.11.1
+cmaes==0.12.0