chore(deps): bump leaflet.markercluster in /interfaces/IBF-dashboard

Bumps [leaflet.markercluster](https://github.com/Leaflet/Leaflet.markercluster) from 1.4.1 to 1.5.0.
- [Release notes](https://github.com/Leaflet/Leaflet.markercluster/releases)
- [Changelog](https://github.com/Leaflet/Leaflet.markercluster/blob/master/CHANGELOG.md)
- [Commits](https://github.com/Leaflet/Leaflet.markercluster/commits)

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