chore: updated to Next.js 16 stable

Author: ovflowd

apps/site/package.json

@@ -60,7 +60,7 @@
     "github-slugger": "~2.0.0",
     "gray-matter": "~4.0.3",
     "mdast-util-to-string": "^4.0.0",
-    "next": "16.0.0-beta.0",
+    "next": "16.0.0",
     "next-intl": "~4.3.11",
     "next-themes": "~0.4.6",
     "postcss-calc": "~10.1.1",
@@ -81,7 +81,7 @@
   },
   "devDependencies": {
     "@flarelabs-net/wrangler-build-time-fs-assets-polyfilling": "^0.0.1",
-    "@next/eslint-plugin-next": "16.0.0-beta.0",
+    "@next/eslint-plugin-next": "16.0.0",
     "@node-core/remark-lint": "workspace:*",
     "@opennextjs/cloudflare": "^1.6.4",
     "@playwright/test": "^1.56.1",

apps/site/redirects.json

@@ -351,6 +351,14 @@
     {
       "source": "/:locale/download/package-manager/all",
       "destination": "/:locale/download/archive/current"
+    },
+    {
+      "source": "/404",
+      "destination": "/"
+    },
+    {
+      "source": "/500",
+      "destination": "/"
     }
   ],
   "internal": []