Bump black from 25.1.0 to 25.9.0

Bumps [black](https://github.com/psf/black) from 25.1.0 to 25.9.0.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](psf/black@25.1.0...25.9.0)

---
updated-dependencies:
- dependency-name: black
  dependency-version: 25.9.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

pyproject.toml

@@ -71,7 +71,7 @@ Changelog = "https://github.com/dfetch-org/dfetch/blob/main/CHANGELOG.rst"
 [project.optional-dependencies]
 development = [
     # Quality dependencies
-    'black==25.1.0',
+    'black==25.9.0',
     'doc8==1.1.2',
     'pydocstyle==6.3.0',
     'radon==6.0.1',