Bump mapbox-gl from 3.14.0 to 3.15.0 (#1448)

Bumps [mapbox-gl](https://github.com/mapbox/mapbox-gl-js) from 3.14.0 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@v3.14.0...v3.15.0)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]