ci(deps): bump next from 14.2.13 to 14.2.15

Bumps [next](https://github.com/vercel/next.js) from 14.2.13 to 14.2.15.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v14.2.13...v14.2.15)

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

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

apps/app/package.json

@@ -157,7 +157,7 @@
     "multer": "~1.4.0",
     "multer-autoreap": "^1.0.3",
     "mustache": "^4.2.0",
-    "next": "^14.2.13",
+    "next": "^14.2.15",
     "next-dynamic-loading-props": "^0.1.1",
     "next-i18next": "^15.3.1",
     "next-superjson": "^0.0.4",