Bump shapely from 1.7.1 to 1.8.0

Bumps [shapely](https://github.com/Toblerity/Shapely) from 1.7.1 to 1.8.0.
- [Release notes](https://github.com/Toblerity/Shapely/releases)
- [Changelog](https://github.com/Toblerity/Shapely/blob/main/CHANGES.txt)
- [Commits](shapely/shapely@1.7.1...1.8.0)

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

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