feat: update update form for Valibot v0.31.0

[Gerbuuun]

#1849

❓ Type of change

• 📖 Documentation (updates to the documentation or readme)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality)
• ✨ 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

Support for the Valibot v0.31.1 library rewrite.
This will make schemas from versions below v0.31.0 not work anymore.

📝 Checklist

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

[Gerbuuun]

While working on this, @fabian-hiller also created his PR (#1848) but I missed it. I'll close this in favor of his

[fabian-hiller]

Thanks for your efforts! 🙏