Bump next from 15.4.8 to 15.4.9

Bumps [next](https://github.com/vercel/next.js) from 15.4.8 to 15.4.9.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.4.8...v15.4.9)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.4.9
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package-lock.json

@@ -12,7 +12,7 @@
   "dependencies": {
     "@img-comparison-slider/react": "^8.0.2",
     "@radix-ui/react-icons": "^1.3.2",
-    "next": "15.4.8",
+    "next": "15.4.9",
     "react": "19.0.0",
     "react-dom": "19.0.0"
   },