Update nextjs monorepo to v13.5.6

Author: renovate[bot]

package.json

@@ -14,7 +14,7 @@
     "date-fns": "2.30.0",
     "gray-matter": "4.0.3",
     "js-yaml": "4.1.0",
-    "next": "13.4.2",
+    "next": "13.5.6",
     "next-mdx-remote": "4.4.1",
     "postcss": "8.4.23",
     "react": "18.2.0",
@@ -32,7 +32,7 @@
     "@types/react": "18.2.6",
     "@types/react-dom": "18.2.4",
     "eslint": "8.40.0",
-    "eslint-config-next": "13.4.2",
+    "eslint-config-next": "13.5.6",
     "js-yaml-loader": "1.2.2",
     "typescript": "5.0.4"
   }