chore: upgrade iOS SDK to v3.0.0

[marandaneto]

:bulb: Motivation and Context

Going to cut a 4.0.0-RC.1 next

:green_heart: How did you test it?

:pencil: Checklist

• [x] I reviewed the submitted code.
• [ ] I added tests to verify the changes.
• [ ] I updated the docs if needed.
• [x] No breaking change or entry added to the changelog.

[marandaneto]

@daibhin or @pauldambra would love a quick green checkmark.