Bump prosthetic-hand from 1.3.1 to 1.4.0
Bump prosthetic-hand from 1.3.1 to 1.4.0

Bumps [prosthetic-hand](https://github.com/IvanSanchez/prosthetic-hand) from 1.3.1 to 1.4.0.
- [Release notes](https://github.com/IvanSanchez/prosthetic-hand/releases)
- [Changelog](https://github.com/Leaflet/prosthetic-hand/blob/master/CHANGELOG.md)
- [Commits](https://github.com/IvanSanchez/prosthetic-hand/commits)

---
updated-dependencies:
- dependency-name: prosthetic-hand
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
Leaflet/Leaflet,Leaflet/Leaflet,CapeSepias/Leaflet,CapeSepias/Leaflet,Leaflet/Leaflet,CapeSepias/Leaflet