Bump optuna from 4.2.0 to 4.2.1

Bumps [optuna](https://github.com/optuna/optuna) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/optuna/optuna/releases)
- [Commits](optuna/optuna@v4.2.0...v4.2.1)

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

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

Author: dependabot[bot]

requirements.txt

@@ -4,7 +4,7 @@ matplotlib==3.10.0
 nnoir==1.3.0
 numba==0.61.0
 opencv-python==4.11.0.86
-optuna==4.2.0
+optuna==4.2.1
 pandas==2.2.3
 Pillow-SIMD==9.5.0.post2
 progressbar2==4.5.0