Bump black from 24.10.0 to 25.9.0 in /flowmachine

Bumps [black](https://github.com/psf/black) from 24.10.0 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@24.10.0...25.9.0)

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

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

Author: dependabot[bot]

flowmachine/Pipfile

@@ -33,7 +33,7 @@ pre_commit = "*"
 geojson = "*"
 geopandas = "*"
 descartes = "*"
-black = {extras = ["jupyter"],version = "==24.10.0"}
+black = {extras = ["jupyter"],version = "==25.9.0"}
 pytest = "*"
 pytest-asyncio = "*"
 pytest-cov = "*"