chore(deps): bump next from 9.5.5 to 12.1.0

Bumps [next](https://github.com/vercel/next.js) from 9.5.5 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@v9.5.5...v12.1.0)

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

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

package.json

@@ -11,7 +11,7 @@
   },
   "dependencies": {
     "linaria": "1.4.1",
-    "next": "9.5.5",
+    "next": "12.1.0",
     "next-seo": "4.29.0",
     "patch-package": "6.5.0",
     "postinstall-postinstall": "2.1.0",