build(deps): bump mapbox-gl from 3.13.0 to 3.15.0

Bumps [mapbox-gl](https://github.com/mapbox/mapbox-gl-js) from 3.13.0 to 3.15.0.
- [Release notes](https://github.com/mapbox/mapbox-gl-js/releases)
- [Changelog](https://github.com/mapbox/mapbox-gl-js/blob/main/CHANGELOG.md)
- [Commits](mapbox/mapbox-gl-js@v3.13.0...v3.15.0)

---
updated-dependencies:
- dependency-name: mapbox-gl
  dependency-version: 3.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -62,7 +62,7 @@
     "leaflet.locatecontrol": "^0.84.2",
     "leaflet.markercluster": "^1.5.3",
     "lrm-graphhopper": "^1.3.0",
-    "mapbox-gl": "^3.13.0",
+    "mapbox-gl": "^3.15.0",
     "mapbox-gl-leaflet": "^0.0.16",
     "maplibre-gl": "^5.6.1",
     "nouislider": "^15.8.1",