Bump next from 15.2.3 to 15.2.4 in /docs

Bumps [next](https://github.com/vercel/next.js) from 15.2.3 to 15.2.4.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v15.2.3...v15.2.4)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.2.4
  dependency-type: direct:production
...

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

Author: dependabot[bot]

docs/package-lock.json

@@ -24,7 +24,7 @@
     "eslint": "8.48.0",
     "eslint-config-next": "15.1.2",
     "js-cookie": "^3.0.5",
-    "next": "^15.2.3",
+    "next": "^15.2.4",
     "next-cookies": "^2.0.3",
     "node-fetch": "^3.3.2",
     "nookies": "^2.5.2",