chore(deps): bump react-native from 0.63.2 to 0.69.12 in /example

Bumps [react-native](https://github.com/facebook/react-native) from 0.63.2 to 0.69.12.
- [Release notes](https://github.com/facebook/react-native/releases)
- [Changelog](https://github.com/facebook/react-native/blob/main/CHANGELOG-pre-070.md)
- [Commits](facebook/react-native@v0.63.2...v0.69.12)

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

Signed-off-by: dependabot[bot] <[email protected]>

example/package.json

@@ -23,7 +23,7 @@
   },
   "dependencies": {
     "react": "16.13.1",
-    "react-native": "0.63.2",
+    "react-native": "0.69.12",
     "react-native-orientation-locker": "^1.1.6",
     "react-native-pdf": "file:../",
     "react-native-windows": "^0.63.11",