chore(deps): update dependency @netlify/plugin-nextjs to ^4.6.0

Author: renovate-bot

package-lock.json

@@ -13,6 +13,6 @@
     "react-dom": "^17.0.2"
   },
   "devDependencies": {
-    "@netlify/plugin-nextjs": "^4.5.0"
+    "@netlify/plugin-nextjs": "^4.6.0"
   }
 }