Bump moment from 2.29.2 to 2.29.4 in /react-native-app

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-native-app/package.json

@@ -9,7 +9,7 @@
     "gh-pages": "^3.1.0",
     "js-cookie": "2.2.1",
     "jwt-decode": "^3.1.2",
-    "moment": "^2.29.2",
+    "moment": "^2.29.4",
     "react": "16.13.1",
     "react-dom": "16.13.1",
     "react-native": "https://github.com/expo/react-native/archive/sdk-40.0.1.tar.gz",

react-native-app/yarn.lock

@@ -4214,10 +4214,10 @@ mkdirp@^0.5.1:
   dependencies:
     minimist "^1.2.5"
 
-moment@^2.29.2:
-  version "2.29.2"
-  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.2.tgz#00910c60b20843bcba52d37d58c628b47b1f20e4"
-  integrity sha512-UgzG4rvxYpN15jgCmVJwac49h9ly9NurikMWGPdVxm8GZD6XjkKPxDTjQQ43gtGgnV3X0cAyWDdP2Wexoquifg==
+moment@^2.29.4:
+  version "2.29.4"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.29.4.tgz#3dbe052889fe7c1b2ed966fcb3a77328964ef108"
+  integrity sha512-5LC9SOxjSc2HF6vO2CyuTDNivEdoz2IvyJJGj6X8DJ0eFyfszE0QiEd+iXmBvUP3WHxSjFH/vIsA0EN00cgr8w==
 
 ms@2.0.0:
   version "2.0.0"