Bump moment from 2.29.3 to 2.29.4

Bumps [moment](https://github.com/moment/moment) from 2.29.3 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/2.29.3...2.29.4)

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

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

package.json

@@ -48,7 +48,7 @@
     "markdown-it-mathjax3": "^4.3.1",
     "meteor-accounts-t9n": "^2.6.0",
     "meteor-node-stubs": "^1.1.0",
-    "moment": "^2.29.3",
+    "moment": "^2.29.4",
     "mongodb": "^3.7.3",
     "nodemailer": "^6.6.3",
     "os": "^0.1.2",