chore(deps): update nextjs monorepo to v12.3.1

Author: renovate[bot]

package.json

@@ -15,7 +15,7 @@
     "axios": "0.26.1",
     "jsonwebtoken": "8.5.1",
     "luxon": "2.3.1",
-    "next": "12.1.2",
+    "next": "12.3.1",
     "next-themes": "0.0.15",
     "nextjs-progressbar": "0.0.14",
     "react": "17.0.2",
@@ -34,7 +34,7 @@
     "@types/node": "17.0.16",
     "@types/react": "17.0.43",
     "eslint": "8.11.0",
-    "eslint-config-next": "12.1.2",
+    "eslint-config-next": "12.3.1",
     "prettier": "2.6.1",
     "typescript": "4.6.3"
   }