Bump moment from 2.24.0 to 2.29.4

Bumps [moment](https://github.com/moment/moment) from 2.24.0 to 2.29.4.
- [Release notes](https://github.com/moment/moment/releases)
- [Changelog](https://github.com/moment/moment/blob/develop/CHANGELOG.md)
- [Commits](https://github.com/moment/moment/compare/2.24.0...2.29.4)

---
updated-dependencies:
- dependency-name: moment
  dependency-type: direct:production
...

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

package.json

@@ -15,7 +15,7 @@
     "bootstrap-vue": "^2.0.0-rc.11",
     "mapbox-gl": "^0.53.0",
     "mapbox-gl-vue": "^1.9.0",
-    "moment": "^2.24.0",
+    "moment": "^2.29.4",
     "node-sass": "^4.9.2",
     "sass-loader": "^7.0.3",
     "vue": "^2.5.2",