chore: upgrade to nitro 2.10, preparing for nitropack ecosystem switch from `nitropack` to `nitro`

[BracketJohn]

🔗 Linked issue

N/A

❓ Type of change

• [ ] 📖 Documentation (updates to the documentation, readme or JSdoc annotations)
• [ ] 🐞 Bug fix (a non-breaking change that fixes an issue)
• [x] 👌 Enhancement (improving an existing functionality like performance)
• [ ] ✨ New feature (a non-breaking change that adds functionality)
• [x] 🧹 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 PR upgrades nitropack@2.9.7 to nitropack@2.10.4. This resolves two issues:

• existing: nitropack@2.9.7 relies on an unimport-version that augments the vue-runtime-core types, which was deprecated with vue 3.5: https://github.com/unjs/unimport/pull/359
• upcoming: nitropack@2.10.4 changes the package structure for an upcoming switch to the new name nitro with the release of v3. So if people upgrade to latest nuxt and in turn also upgrade all sub-deps to latest nitro, the import that nuxt-auth has from nitropack will break (see changes I made here)

See https://github.com/nitrojs/nitro/releases/tag/v2.10.0 for more on the namespace change.

📝 Checklist

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

[pkg-pr-new[bot]]

Open in Stackblitz

pnpm add https://pkg.pr.new/@sidebase/nuxt-auth@942

commit: 05300e2

[BracketJohn]

@phoenix-ru / @zoey-kaiser: Opening this to raise awareness of the above potential issues. Feel free to merge as is / close / put into another dep-upgrade PR.