✨ Stabilization of `Zero`

[LVMVRQUXL]

📝 Description

We want to stabilize the Zero type, except its unreleased declarations.

🔗 Dependencies

This issue is blocked by the following ones:

• [x] #644

✅ Checklist

• [ ] ✨ Remove its experimental annotation, update its versioning annotation and its tests.
• [ ] 📝 Add an entry for this issue in the unreleased changelog.
• [ ] 📝 Create an issue for deprecating the kotools.types.number.ZeroInt type for using the org.kotools.types.Zero type instead.