feat(shiki-highlighter): improve performance & auto load new languages

[farnabaz]

🔗 Linked issue

❓ 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 like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

pending for pi0/shiki-es#5

📝 Checklist

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

[netlify]

✅ Deploy Preview for nuxt-content ready!

Name	Link
🔨 Latest commit	184f3ae
🔍 Latest deploy log	https://app.netlify.com/sites/nuxt-content/deploys/63bedc96ace9250008be189e
😎 Deploy Preview	https://deploy-preview-1775--nuxt-content.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site settings.