Pin next.js version to 13.2.3

Until vercel/next.js#46989 is fixed

Author: darthmaim

next/package-lock.json

@@ -18,7 +18,7 @@
     "client-only": "^0.0.1",
     "gw2-tooltip-html": "^0.0.4",
     "gw2e-chat-codes": "^1.3.2",
-    "next": "^13.2.3",
+    "next": "13.2.3",
     "next-superjson-plugin": "^0.5.5",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",