Bump react-native-config from 1.5.6 to 1.6.1 in /sample

Bumps [react-native-config](https://github.com/luggit/react-native-config) from 1.5.6 to 1.6.1.
- [Release notes](https://github.com/luggit/react-native-config/releases)
- [Changelog](https://github.com/react-native-config/react-native-config/blob/master/release.config.js)
- [Commits](react-native-config/react-native-config@v1.5.6...v1.6.1)

---
updated-dependencies:
- dependency-name: react-native-config
  dependency-version: 1.6.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

sample/package.json

@@ -25,7 +25,7 @@
     "@shopify/checkout-sheet-kit": "link:../modules/@shopify/checkout-sheet-kit",
     "graphql": "^16.8.2",
     "jotai": "^2.13.1",
-    "react-native-config": "1.5.6",
+    "react-native-config": "1.6.1",
     "react-native-dotenv": "^3.4.11",
     "react-native-reanimated": "3.18.0",
     "react-native-safe-area-context": "^5.6.1",