✨ Stabilization of ZeroAsDoubleSerializer type

[LVMVRQUXL]

📝 Description

We want to stabilize the ZeroAsDoubleSerializer type. All its declarations should be stabilized, except those marked with the @ExperimentalSince(KotoolsTypesVersion.Unreleased) annotation.

🔗 Dependencies

This issue is blocked by the following items:

• ✨ Stabilization of Zero type #707

✅ Checklist

• ✨ Stabilize this type.
• 📝 Update the unreleased changelog for this issue.