chore(deps): bump prosthetic-hand in the dev-dependencies group

Bumps the dev-dependencies group with 1 update: [prosthetic-hand](https://github.com/IvanSanchez/prosthetic-hand).


Updates `prosthetic-hand` from 1.3.1 to 1.4.0
- [Changelog](https://github.com/Leaflet/prosthetic-hand/blob/main/CHANGELOG.md)
- [Commits](https://github.com/IvanSanchez/prosthetic-hand/commits)

---
updated-dependencies:
- dependency-name: prosthetic-hand
  dependency-version: 1.4.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dev-dependencies
...

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

Author: dependabot[bot]

package-lock.json

@@ -57,7 +57,7 @@
     "leaflet": "1.9.4",
     "lint-staged": "^16.2.7",
     "prettier": "3.7.4",
-    "prosthetic-hand": "1.3.1",
+    "prosthetic-hand": "1.4.0",
     "typescript": "^5.9.3",
     "vitest": "^4.0.15"
   },