Bump moment from 2.29.1 to 2.29.4

Bumps [moment](https://github.com/moment/moment) from 2.29.1 to 2.29.4.
- [Changelog](https://github.com/moment/moment/blob/develop/CHANGELOG.md)
- [Commits](moment/moment@2.29.1...2.29.4)

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

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

package.json

@@ -19,7 +19,7 @@
     "isomorphic-fetch": "^3.0.0",
     "jquery": "^3.5.1",
     "leaflet": "^1.7.1",
-    "moment": "^2.29.1",
+    "moment": "^2.29.4",
     "moment-duration-format": "^2.3.2",
     "prop-types": "^15.6.0",
     "react": "^17.0.1",