Bump moment from 2.24.0 to 2.29.4 in /web-client

Bumps [moment](https://github.com/moment/moment) from 2.24.0 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@2.24.0...2.29.4)

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

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

web-client/package.json

@@ -11,7 +11,7 @@
     "@types/react-router-dom": "^5.1.4",
     "activity-detector": "^3.0.0",
     "axios": "^0.21.2",
-    "moment": "^2.24.0",
+    "moment": "^2.29.4",
     "qrcode.react": "^1.0.0",
     "react": "^16.13.1",
     "react-animated-css": "^1.2.1",