Bump moment from 2.29.2 to 2.29.4 in /react-webapp

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](moment/moment@2.29.2...2.29.4)

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

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

Author: dependabot[bot]

react-webapp/package-lock.json

@@ -15,7 +15,7 @@
     "http-proxy-middleware": "^1.0.3",
     "js-cookie": "2.2.1",
     "jwt-decode": "2.2.0",
-    "moment": "2.29.2",
+    "moment": "2.29.4",
     "prop-types": "latest",
     "query-string": "^6.13.7",
     "rc-footer": "^0.6.3",