build(deps): bump next from 12.1.6 to 15.5.10

Bumps [next](https://github.com/vercel/next.js) from 12.1.6 to 15.5.10.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](vercel/next.js@v12.1.6...v15.5.10)

---
updated-dependencies:
- dependency-name: next
  dependency-version: 15.5.10
  dependency-type: direct:production
...

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

Author: dependabot[bot]

package.json

@@ -80,7 +80,7 @@
     "material-ui-popup-state": "^2.0.1",
     "mobx": "^6.5.0",
     "moment": "^2.29.3",
-    "next": "12.1.6",
+    "next": "15.5.10",
     "next-swagger-doc": "^0.3.4",
     "nextjs-progressbar": "^0.0.14",
     "openapi-types": "^11.0.0",