Bump moment from 2.29.2 to 2.29.4 in /frontend (#2235)

Bumps [moment](https://github.com/moment/moment) from 2.29.2 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/2.29.2...2.29.4)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

frontend/package-lock.json

@@ -9962,9 +9962,9 @@
       }
     },
     "moment": {
-      "version": "2.29.2",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.2.tgz",
-      "integrity": "sha512-UgzG4rvxYpN15jgCmVJwac49h9ly9NurikMWGPdVxm8GZD6XjkKPxDTjQQ43gtGgnV3X0cAyWDdP2Wexoquifg=="
+      "version": "2.29.4",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.4.tgz",
+      "integrity": "sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w=="
     },
     "ms": {
       "version": "2.1.2",

frontend/package.json

@@ -12,7 +12,7 @@
     "google-protobuf": "^3.12.4",
     "informed": "^4.6.1",
     "jwt-decode": "^2.2.0",
-    "moment": "^2.29.2",
+    "moment": "^2.29.4",
     "react": "^16.13.1",
     "react-contenteditable": "^3.3.4",
     "react-copy-to-clipboard": "^5.1.0",