build(deps-dev): update black requirement from ^24.2.0 to ^25.9.0

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@24.2.0...25.9.0)

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

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

Author: dependabot[bot]

pyproject.toml

@@ -30,7 +30,7 @@ packaging = "^25.0"
 pytest-cov = "^5.0.0"
 mypy = "^1.9.0"
 ruff = "^0.3.0"
-black = "^24.2.0"
+black = "^25.9.0"
 isort = "^5.13.2"
 pydocstyle = "^6.3.0"
 bandit = "^1.7.7"