Bump moment in /samples/react-adaptive-cards-image-gallery

Bumps [moment](https://github.com/moment/moment) from 2.27.0 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/2.27.0...2.29.2)

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

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

samples/react-adaptive-cards-image-gallery/package-lock.json

@@ -12067,9 +12067,9 @@
       }
     },
     "moment": {
-      "version": "2.27.0",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.27.0.tgz",
-      "integrity": "sha512-al0MUK7cpIcglMv3YF13qSgdAIqxHTO7brRtaz3DlSULbqfazqkc5kEjNrLDOM7fsjshoFIihnU8snrP7zUvhQ=="
+      "version": "2.29.2",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.2.tgz",
+      "integrity": "sha512-UgzG4rvxYpN15jgCmVJwac49h9ly9NurikMWGPdVxm8GZD6XjkKPxDTjQQ43gtGgnV3X0cAyWDdP2Wexoquifg=="
     },
     "move-concurrently": {
       "version": "1.0.1",