Revert "docs(chore): temporarily revert to webpack (#10421)"

This reverts commit 3fde1aa.

Author: mischnic

docs/site/package.json

@@ -8,7 +8,7 @@
     "#*": "./*"
   },
   "scripts": {
-    "build": "next build",
+    "build": "next build --turbopack",
     "check-spelling": "spellchecker --files '**/*.mdx' --files '!content/blog/*.mdx' --files '!content/docs/acknowledgments.mdx' --files '!node_modules/**' --files '!content/extra/terms.mdx' --files '!content/extra/governance.mdx' --files '!content/extra/privacy.mdx' --dictionaries 'dictionary.txt' --no-suggestions --quiet",
     "dev": "next dev --turbopack",
     "lint": "fumadocs-mdx && next lint",