chore: bump next from 11.1.3 to 12.1.0 in /striker-ui

Bumps [next](https://github.com/vercel/next.js) from 11.1.3 to 12.1.0.
- [Release notes](https://github.com/vercel/next.js/releases)
- [Changelog](https://github.com/vercel/next.js/blob/canary/release.js)
- [Commits](https://github.com/vercel/next.js/compare/v11.1.3...v12.1.0)

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

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

striker-ui/package.json

@@ -17,7 +17,7 @@
     "@material-ui/icons": "^4.11.2",
     "@material-ui/styles": "^4.11.4",
     "@novnc/novnc": "^1.2.0",
-    "next": "^11.1.3",
+    "next": "^12.1.0",
     "pretty-bytes": "^5.6.0",
     "react": "17.0.2",
     "react-dom": "17.0.2",