Bump next from 14.2.10 to 14.2.15 in /packages/app-harness

Bumps [next](https://github.com/vercel/next.js) from 14.2.10 to 14.2.15.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.10...v14.2.15)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
...

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

packages/app-harness/package.json

@@ -46,7 +46,7 @@
         "@react-native-firebase/app": "20.0.0",
         "@rnv/renative": "1.9.0-rc.0",
         "dotenv": "16.4.5",
-        "next": "14.2.10",
+        "next": "14.2.15",
         "raf": "3.4.1",
         "react": "18.3.1",
         "react-art": "18.3.1",