chore(deps-dev): update black requirement from ^24.1.0 to >=24.1,<26.0 (#93)

Updates the requirements on [black](https://github.com/psf/black) to permit the latest version.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@24.1.0...25.9.0)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 25.9.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

pyproject.toml

@@ -43,7 +43,7 @@ mypy = "^1.15.0"
 invoke = "^2.2.0"
 hypothesis = "^6.108"
 tomli = "^2.2.1"
-black = "^24.1.0"
+black = ">=24.1,<26.0"
 isort = "^5.13.2"
 flake8 = "^6.1.0"
 scikit-survival = "^0.24.1"