fix: webpack and rspack virtual file resolution

[BobbieGoede]

🔗 Linked issue

• Nuxt build fails with builder: "rspack" #3220

❓ 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

Possibly resolves #3220, but having a hard time setting up a project that works with either webpack or rspack.

This changes the virtual files to use different names, essentially replaces the virtual:nuxt-i18n prefix with #nuxt-i18n. Also registers @intlify/unplugin-vue-i18n though support by that plugin is limited and something I'm also working on intlify/bundle-tools#444.

📝 Checklist

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

[pkg-pr-new]

npm i https://pkg.pr.new/@nuxtjs/i18n@3385

commit: fe9d7ab

[BobbieGoede]

It seems to be working but I can't properly test without webpack/rspack reproduction projects.

I was hoping to try and add HMR support too but that will have to be delayed since this is blocking the release (which fixes incompatibility with Nuxt 3.16 - #3392).