Bump next from 11.1.0 to 12.1.0

Bumps [next](https://github.com/vercel/next.js) from 11.1.0 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](vercel/next.js@v11.1.0...v12.1.0)

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

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

Author: dependabot[bot]

package.json

@@ -17,7 +17,7 @@
     "firebaseui": "^4.8.1",
     "javascript-time-ago": "^2.3.8",
     "js-cookie": "^3.0.0",
-    "next": "^11.1.0",
+    "next": "^12.1.0",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",
     "react-firebase-hooks": "^3.0.4",