Bump react-native from 0.59.9 to 0.62.3 in /Example

Bumps [react-native](https://github.com/facebook/react-native) from 0.59.9 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@v0.59.9...v0.62.3)

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

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

Example/package.json

@@ -8,7 +8,7 @@
  },
  "dependencies": {
  "react": "16.8.3",
- "react-native": "0.59.9"
+ "react-native": "0.62.3"
  },
  "devDependencies": {
  "@babel/core": "^7.3.3",