Bump react-native from 0.59.10 to 0.62.3 in /example

Bumps [react-native](https://github.com/facebook/react-native) from 0.59.10 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@v0.59.10...v0.62.3)

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

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

example/package.json

@@ -9,7 +9,7 @@
   },
   "dependencies": {
     "react": "16.8.3",
-    "react-native": "0.59",
+    "react-native": "0.62",
     "react-native-verto": "file:../",
     "react-native-webrtc": "^1.75.1"
   },