Bump moment from 2.22.2 to 2.29.4

Bumps [moment](https://github.com/moment/moment) from 2.22.2 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@2.22.2...2.29.4)

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

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

package.json

@@ -12,7 +12,7 @@
   "dependencies": {
     "express": "^4.16.3",
     "helmet": "^3.12.1",
-    "moment": "^2.22.2",
+    "moment": "^2.29.4",
     "pg": "^7.4.1"
   }
 }