chore(deps-dev): bump @react-native/metro-config in /example

Bumps [@react-native/metro-config](https://github.com/facebook/react-native/tree/HEAD/packages/metro-config) from 0.73.5 to 0.74.81.
- [Release notes](https://github.com/facebook/react-native/releases)
- [Changelog](https://github.com/facebook/react-native/blob/main/CHANGELOG.md)
- [Commits](https://github.com/facebook/react-native/commits/HEAD/packages/metro-config)

---
updated-dependencies:
- dependency-name: "@react-native/metro-config"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

example/package.json

@@ -55,7 +55,7 @@
     "@babel/runtime": "^7.20.0",
     "@react-native/babel-preset": "^0.73.18",
     "@react-native/eslint-config": "^0.74.0",
-    "@react-native/metro-config": "^0.73.2",
+    "@react-native/metro-config": "^0.74.81",
     "@react-native/typescript-config": "^0.73.1",
     "@types/react": "^18.2.6",
     "@types/react-test-renderer": "^18.0.0",