Bump moment from 2.29.1 to 2.29.4 in /services/bot

Bumps [moment](https://github.com/moment/moment) from 2.29.1 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@2.29.1...2.29.4)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

services/bot/package.json

@@ -72,7 +72,7 @@
     "chartjs-to-image": "^1.0.4",
     "express": "^4.17.1",
     "migrate-mongo": "^8.2.2",
-    "moment": "^2.29.1",
+    "moment": "^2.29.4",
     "mongoose": "^5.13.0",
     "string-similarity": "^4.0.4",
     "webex": "1.142.0",