chore(deps): bump next from 14.1.1 to 14.2.10 in /test-runtimes/nextjs

Bumps [next](https://github.com/vercel/next.js) from 14.1.1 to 14.2.10.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.1.1...v14.2.10)

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

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

test-runtimes/nextjs/package.json

@@ -9,7 +9,7 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "next": "14.1.1",
+    "next": "14.2.10",
     "react": "^18",
     "react-dom": "^18",
     "stytch": "^9.0.0-rc.1"