fix(CommandPalette): add aria-label to listbox

[J-Michalek]

🔗 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)
• ✨ 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

The element with role="listbox" should have an accessible label.

📝 Checklist

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

[J-Michalek]

@benjamincanac How should we go about this? We could add a generic label such as "Choose an option" to the translations, but ideally there would be a way for the user to pass a context related label such as "Choose a user" etc.