Bump react-native from 0.60.5 to 0.62.3 in /examples/react-native (supasate#525)

Bumps [react-native](https://github.com/facebook/react-native) from 0.60.5 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@v0.60.5...v0.62.3)

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

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