chore(deps-dev): bump @types/react-native in /example (#270)

Bumps [@types/react-native](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/react-native) from 0.64.10 to 0.64.12.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/react-native)

---
updated-dependencies:
- dependency-name: "@types/react-native"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

example/package.json

@@ -30,7 +30,7 @@
     "@react-native-community/eslint-config": "^2.0.0",
     "@react-native-community/eslint-plugin": "^1.1.0",
     "@types/react": "^17.0.9",
-    "@types/react-native": "^0.64.10",
+    "@types/react-native": "^0.64.12",
     "@types/react-native-vector-icons": "^6.4.6",
     "@types/react-native-video": "^5.0.5",
     "@typescript-eslint/eslint-plugin": "^4.26.0",