fix(deps): update dependency next to v12

Author: renovate-bot

package.json

@@ -19,7 +19,7 @@
     "**/*": "npm run format"
   },
   "dependencies": {
-    "next": "11.0.0",
+    "next": "12.1.0",
     "react": "17.0.2",
     "react-dom": "17.0.2"
   },