Bump react-native from 0.59.2 to 0.62.3 in /examples

Bumps [react-native](https://github.com/facebook/react-native) from 0.59.2 to 0.62.3.
- [Release notes](https://github.com/facebook/react-native/releases)
- [Changelog](https://github.com/facebook/react-native/blob/main/Releases.md)
- [Commits](facebook/react-native@v0.59.2...v0.62.3)

---
updated-dependencies:
- dependency-name: react-native
  dependency-type: direct:production
...

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

Author: dependabot[bot]

examples/package.json

@@ -15,7 +15,7 @@
     "react": "16.3.1",
     "react-art": "^16.8.5",
     "react-dom": "^16.8.5",
-    "react-native": "0.59.2",
+    "react-native": "0.62.3",
     "react-native-floating-input": "^1.0.0",
     "react-navigation": "^1.5.0"
   }