Bump moment from 2.27.0 to 2.29.4

Bumps [moment](https://github.com/moment/moment) from 2.27.0 to 2.29.4.
- [Release notes](https://github.com/moment/moment/releases)
- [Changelog](https://github.com/moment/moment/blob/develop/CHANGELOG.md)
- [Commits](moment/moment@2.27.0...2.29.4)

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

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

package.json

@@ -20,7 +20,7 @@
     "js-yaml": "^3.14.0",
     "lodash": "^4.17.21",
     "mime-types": "^2.1.27",
-    "moment": "^2.27.0",
+    "moment": "^2.29.4",
     "node-sass": "^6.0.1",
     "passport": "^0.4.1",
     "passport-google-oauth20": "^2.0.0",