Bump moment from 2.29.1 to 2.29.2 in /samples/react-flow-button

Bumps [moment](https://github.com/moment/moment) from 2.29.1 to 2.29.2.
- [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/2.29.1...2.29.2)

---
updated-dependencies:
- dependency-name: moment
  dependency-type: indirect
...

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

samples/react-flow-button/package-lock.json

@@ -18017,9 +18017,9 @@
       }
     },
     "moment": {
-      "version": "2.29.1",
+      "version": "2.29.2",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.1.tgz",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.2.tgz",
-      "integrity": "sha512-kHmoybcPV8Sqy59DwNDY3Jefr64lK/by/da0ViFcuA4DH0vQg5Q6Ze5VimxkfQNSC+Mls/Kx53s7TjP1RhFEDQ=="
+      "integrity": "sha512-UgzG4rvxYpN15jgCmVJwac49h9ly9NurikMWGPdVxm8GZD6XjkKPxDTjQQ43gtGgnV3X0cAyWDdP2Wexoquifg=="
     },
     "monaco-editor": {
       "version": "0.32.1",