Bump next from 15.5.6 to 16.0.7 in /examples/redis-minimal

Bumps [next](https://github.com/vercel/next.js) from 15.5.6 to 16.0.7.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.5.6...v16.0.7)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 16.0.7
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

examples/redis-minimal/package.json

@@ -14,7 +14,7 @@
   },
   "dependencies": {
     "@fortedigital/nextjs-cache-handler": "workspace:*",
-    "next": "^15.5.6",
+    "next": "^16.0.7",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
     "redis": "^5.9.0"