Bump next from 11.1.4 to 13.5.1

Bumps [next](https://github.com/vercel/next.js) from 11.1.4 to 13.5.1.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v11.1.4...v13.5.1)

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

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

package.json

@@ -39,7 +39,7 @@
  "html-to-pdfmake": "^2.1.2",
  "http-proxy-middleware": "^1.0.6",
  "md5": "^2.3.0",
- "next": "11",
+ "next": "13",
  "pdfmake": "^0.1.68",
  "prettier": "^3.0.3",
  "prop-types": "^15.7.2",