Bump geopandas from 1.0.1 to 1.1.1 in /flowmachine

Bumps [geopandas](https://github.com/geopandas/geopandas) from 1.0.1 to 1.1.1.
- [Release notes](https://github.com/geopandas/geopandas/releases)
- [Changelog](https://github.com/geopandas/geopandas/blob/main/CHANGELOG.md)
- [Commits](geopandas/geopandas@v1.0.1...v1.1.1)

---
updated-dependencies:
- dependency-name: geopandas
  dependency-version: 1.1.1
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]