Update nextjs monorepo to v12 (#402)

Co-authored-by: Renovate Bot <[email protected]>

Author: renovate[bot]

dashboard-fe/package.json

@@ -75,7 +75,7 @@
     "mongodb": "^3.6.2",
     "native-url": "0.3.4",
     "nedb": "1.8.0",
-    "next": "11.1.2",
+    "next": "12.1.0",
     "node-fetch": "^2.6.0",
     "node-ip": "^0.1.2",
     "pathfinding": "^0.4.18",
@@ -110,7 +110,7 @@
     "@types/jest": "26.0.24",
     "@types/mongodb": "3.6.20",
     "eslint": "7.32.0",
-    "eslint-config-next": "11.1.2",
+    "eslint-config-next": "12.1.0",
     "jest": "26.6.3",
     "jest-babel": "1.0.1",
     "node-inline-worker": "1.0.0",