build(deps): bump next from 14.2.5 to 15.1.3

Bumps [next](https://github.com/vercel/next.js) from 14.2.5 to 15.1.3.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.5...v15.1.3)

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

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

package.json

@@ -52,7 +52,7 @@
     "framer-motion": "^11.5.4",
     "fslightbox-react": "^1.7.6",
     "http-proxy-middleware": "^3.0.0",
-    "next": "^14.1.0",
+    "next": "^15.1.3",
     "react": "^18.3.1",
     "react-accessible-accordion": "^5.0.0",
     "react-chartjs-2": "^3.0.4",