chore: bump next from 11.1.3 to 15.5.14

Bumps [next](https://github.com/vercel/next.js) from 11.1.3 to 15.5.14.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v11.1.3...v15.5.14)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.5.14
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package.json

@@ -77,7 +77,7 @@
     "log": "^6.0.0",
     "morgan": "^1.7.0",
     "nbschema": "^0.1.0",
-    "next": "11.1.3",
+    "next": "15.5.14",
     "node-fetch": "^2.6.0",
     "nprogress": "^0.2.0",
     "prop-types": "^15.7.2",