Update dependency next to v12 (#121)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

package.json

@@ -54,7 +54,7 @@
     "enzyme-adapter-react-16": "1.15.6",
     "enzyme-to-json": "3.6.2",
     "jest": "27.3.1",
-    "next": "11.1.2",
+    "next": "12.0.3",
     "prettier": "2.4.1",
     "prop-types": "15.7.2",
     "react": "17.0.2",