Bump react-native from 0.76.3 to 0.77.3 in /examples

Bumps [react-native](https://github.com/facebook/react-native/tree/HEAD/packages/react-native) from 0.76.3 to 0.77.3.
- [Release notes](https://github.com/facebook/react-native/releases)
- [Changelog](https://github.com/facebook/react-native/blob/main/CHANGELOG-0.7x.md)
- [Commits](https://github.com/facebook/react-native/commits/v0.77.3/packages/react-native)

---
updated-dependencies:
- dependency-name: react-native
  dependency-version: 0.77.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]