fix(externals): increase score for npm package name patterns to avoid breaking changes

[pi0]

🔗 Linked issue

#1429, nuxt/nuxt#22515

❓ 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 PR improves the scoring system for include/exclude patterns introduce in #1429 by giving a higher score to package names (nonabsolute paths without).

📝 Checklist

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