chore(deps): update nextjs monorepo to v13

Author: renovate[bot]

app/package.json

@@ -16,7 +16,7 @@
     "autoprefixer": "10.4.12",
     "graphql": "16.6.0",
     "javascript-time-ago": "2.5.7",
-    "next": "12.3.1",
+    "next": "13.4.8",
     "postcss": "8.4.17",
     "react": "17.0.2",
     "react-dom": "17.0.2",
@@ -28,7 +28,7 @@
     "@types/node": "17.0.23",
     "@types/react": "17.0.50",
     "eslint": "8.24.0",
-    "eslint-config-next": "12.3.1",
+    "eslint-config-next": "13.4.8",
     "typescript": "4.6.2"
   }
 }