Bump next from 15.3.5 to 16.1.7 in /modules/portfolio_diff

Bumps [next](https://github.com/vercel/next.js) from 15.3.5 to 16.1.7.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.3.5...v16.1.7)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.1.7
  dependency-type: direct:production
...

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

Author: dependabot[bot]

modules/portfolio_diff/package.json

@@ -15,7 +15,7 @@
     "framer-motion": "^12.23.6",
     "lo_event": "file:../lo_event",
     "lucide-react": "^0.525.0",
-    "next": "15.3.5",
+    "next": "16.1.7",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "react-redux": "^9.2.0",