Bump next from 10.0.6 to 12.1.5

Bumps [next](https://github.com/vercel/next.js) from 10.0.6 to 12.1.5.
- [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/v10.0.6...v12.1.5)

---
updated-dependencies:
- dependency-name: next
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

package.json

@@ -33,7 +33,7 @@
     "ethereum-blockies": "github:MyEtherWallet/blockies",
     "ethjs": "^0.4.0",
     "ms": "^2.1.3",
-    "next": "^10.0.6",
+    "next": "^12.1.5",
     "nextron": "^6.0.3",
     "react": "^17.0.2",
     "react-dom": "^17.0.2",