fix: messages type generation not watching locale files

[BobbieGoede]

🔗 Linked issue

❓ 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 has not been tested with restructureDir: false, I expect it might trigger generation twice 🤔

📝 Checklist

• I have linked an issue or discussion.
• I have added tests (if possible).
• I have updated the documentation accordingly.

[pkg-pr-new]

Open in Stackblitz

pnpm add https://pkg.pr.new/@nuxtjs/i18n@3224

commit: 870caaf

[BobbieGoede]

This relies on chokidar being installed (nuxt uses it too), should chokidar be added to dependencies or devDependencies? What do you think @userquin