build(deps): bump next in the npm_and_yarn group across 1 directory

Bumps the npm_and_yarn group with 1 update in the / directory: [next](https://github.com/vercel/next.js).


Updates `next` 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](https://github.com/vercel/next.js/compare/v15.4.8...v15.4.9)

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

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

package.json

@@ -17,7 +17,7 @@
     "html-to-image": "^1.11.11",
     "lucide-react": "^0.475.0",
     "marked": "^4.3.0",
-    "next": "15.4.8",
+    "next": "15.4.9",
     "react": "18.2.0",
     "react-dom": "18.2.0"
   },