🗑️ Deprecation of toNonZeroInt extension function with warning level

[LVMVRQUXL]

📝 Description

We would like to deprecate the Number.toNonZeroInt() extension function with a warning level for using the NonZeroInt.Companion.create(Number) function instead.

🔗 Dependencies

This issue is blocked by the following ones:

• ✨ Stabilization of NonZeroInt.Companion.create* factory functions #476

✅ Checklist

• Deprecate the declaration with a warning level, refactor its usages and update the unreleased changelog.
• Close this issue as completed and update tracking ones if present.

[LVMVRQUXL]

Another issue for this task will be created when ready.