Bump moment from 2.29.2 to 2.29.4 in /packages/playground

Bumps [moment](https://github.com/moment/moment) from 2.29.2 to 2.29.4.
- [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] <[email protected]>

Author: dependabot[bot]

packages/playground/package.json

@@ -21,7 +21,7 @@
     "firebase": "^8.2.4",
     "image-client-api": "^1.3130.0",
     "lodash.clonedeep": "^4.5.0",
-    "moment": "2.29.2",
+    "moment": "2.29.4",
     "pro-gallery": "5.0.69",
     "pro-gallery-blueprints": "5.0.69",
     "pro-gallery-lib": "5.0.69",