build(deps): bump viewport-mercator-project

Bumps [viewport-mercator-project](https://github.com/uber-web/math.gl) from 6.2.3 to 7.0.4.
- [Changelog](https://github.com/uber-web/math.gl/blob/master/CHANGELOG)
- [Commits](https://github.com/uber-web/math.gl/commits)

---
updated-dependencies:
- dependency-name: viewport-mercator-project
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

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

@@ -29,7 +29,7 @@
     "prop-types": "^15.8.1",
     "react-map-gl": "^6.1.19",
     "supercluster": "^4.1.1",
-    "viewport-mercator-project": "^6.1.1"
+    "viewport-mercator-project": "^7.0.4"
   },
   "peerDependencies": {
     "@superset-ui/chart-controls": "*",