presets(vercel): add framework info to build output config

[danielroe]

🔗 Linked issue

backports https://github.com/nitrojs/nitro/pull/4032/changes

❓ Type of change

• 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

this backports emitting vercel-specific framework metadata to v2

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

[vercel]

The latest updates on your projects. Learn more about Vercel for GitHub.

Project	Deployment	Actions	Updated (UTC)
nitro.build	Error		Jul 23, 2026 3:28pm

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