build(deps): bump react-map-gl

Bumps [react-map-gl](https://github.com/visgl/react-map-gl) from 6.1.21 to 7.1.8.
- [Release notes](https://github.com/visgl/react-map-gl/releases)
- [Changelog](https://github.com/visgl/react-map-gl/blob/v7.1.8/CHANGELOG.md)
- [Commits](visgl/react-map-gl@v6.1.21...v7.1.8)

---
updated-dependencies:
- dependency-name: react-map-gl
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

superset-frontend/plugins/legacy-plugin-chart-map-box/package.json

@@ -28,7 +28,7 @@
   "dependencies": {
     "@math.gl/web-mercator": "^4.1.0",
     "prop-types": "^15.8.1",
-    "react-map-gl": "^6.1.19",
+    "react-map-gl": "^7.1.8",
     "supercluster": "^8.0.1"
   },
   "peerDependencies": {