Bump next from 16.2.10 to 16.3.8 in /web

Bumps [next](https://github.com/vercel/next.js) from 16.2.10 to 16.3.8.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Commits](vercel/next.js@v16.2.10...v16.3.8)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.3.8
  dependency-type: direct:production
...

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

Author: dependabot[bot]

web/package.json

@@ -14,7 +14,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "lucide-react": "^1.24.0",
-    "next": "16.2.10",
+    "next": "16.3.8",
     "react": "19.2.4",
     "react-dom": "19.2.4",
     "shadcn": "^4.13.0",