Fix on GH issue #1486

[rozkurt]

Overview/Summary

Fixing the bug with Configure Azure Machine Learning workspace to use private DNS zones policy where secondPrivateDnsZoneId parameter was missing which was leaving AML private endpoints incomplete

This PR fixes/adds/changes/removes

1. Deploy-Private-DNS-Zones.json
2. DINE-PrivateDNSZonesPolicyAssignment.json

Breaking Changes

1. N/A

Testing Evidence

Testing URLs

Azure Public

As part of this Pull Request I have

• [X] Checked for duplicate Pull Requests
• [X] Associated it with relevant issues, for tracking and closure.
• [X] Ensured my code/branch is up-to-date with the latest changes in the main branch
• [X] Performed testing and provided evidence.
• [X] Ensured contribution guidance is followed.
• [X] Updated relevant and associated documentation.
• [X] Updated the "What's New?" wiki page (located: /docs/wiki/whats-new.md)