Bump next from 10.1.3 to 12.1.0 (#6)

Bumps [next](https://github.com/vercel/next.js) from 10.1.3 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/v10.1.3...v12.1.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -8,7 +8,7 @@
     "start": "next start"
   },
   "dependencies": {
-    "next": "10.1.3",
+    "next": "12.1.0",
     "react": "17.0.2",
     "react-dom": "17.0.2",
     "sass": "^1.32.12"