Bump moment from 2.23.0 to 2.29.2

Bumps [moment](https://github.com/moment/moment) from 2.23.0 to 2.29.2.
- [Release notes](https://github.com/moment/moment/releases)
- [Changelog](https://github.com/moment/moment/blob/develop/CHANGELOG.md)
- [Commits](moment/moment@2.23.0...2.29.2)

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

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

package.json

@@ -87,7 +87,7 @@
         "mocha": "5.2.0",
         "modernizr": "3.7.1",
         "modernizr-loader": "1.0.1",
-        "moment": "2.23.0",
+        "moment": "2.29.2",
         "node-sass": "4.12.0",
         "normalize.css": "8.0.1",
         "nyc": "14.1.1",