chore(deps-dev): bump prettier from 2.3.0 to 2.3.1 in /example (#170)

Bumps [prettier](https://github.com/prettier/prettier) from 2.3.0 to 2.3.1.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prettier/prettier/compare/2.3.0...2.3.1)

---
updated-dependencies:
- dependency-name: prettier
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

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

example/package.json

@@ -43,7 +43,7 @@
     "eslint-plugin-react-native": "^3.11.0",
     "metro-config": "^0.66.0",
     "metro-react-native-babel-preset": "^0.66.0",
-    "prettier": "^2.2.1",
+    "prettier": "^2.3.1",
     "typescript": "4.2.4"
   }
 }