Bump next from 15.4.6 to 15.4.7

Bumps [next](https://github.com/vercel/next.js) from 15.4.6 to 15.4.7.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.4.6...v15.4.7)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.4.7
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -19,7 +19,7 @@
   "dependencies": {
     "@turn-based-mcp/shared": "file:../shared",
     "clsx": "^2.1.0",
-    "next": "^15.4.6",
+    "next": "^15.4.7",
     "react": "^19.1.1",
     "react-dom": "^19.1.1",
     "sqlite3": "^5.1.7",