[Feature]: Add Az.PrivateTrafficManager module for Private Traffic Manager service

[somya-0527]

Description of the new feature

Summary

Requesting the onboarding of a new Az.PrivateTrafficManager PowerShell module for the Private Traffic Manager (PTM) service under Microsoft.Network.

PR: #29729

Details

• Resource Provider: Microsoft.Network/PrivateTrafficManager
• API Version: 2026-02-09-preview
• ARM Spec PR: Azure/azure-rest-api-specs-pr#26898
• Release Plan: ADO task #32848
• Target Release: Engineering build (for internal/private distribution)

Cmdlets Requested (20 total)

Resource	Cmdlets
Profile	New/Get/Update/Remove-AzPrivateTrafficManagerProfile
Endpoint	New/Get/Update/Remove-AzPrivateTrafficManagerEndpoint
HealthPolicy	New/Get/Update/Remove-AzPrivateTrafficManagerHealthPolicy
TopologyMap	New/Get/Update/Remove-AzPrivateTrafficManagerTopologyMap
Site	New/Get/Update/Remove-AzPrivateTrafficManagerSite

Context

Private Traffic Manager is a new Azure networking service that provides private DNS-based traffic management. The module is AutoRest-generated from a TypeSpec-based ARM specification. Implementation PR is ready for review.

Proposed implementation details (optional)

• Module type: AutoRest-generated (TypeSpec spec)
• Generated using AutoRest PowerShell v4.x
• Polymorphism directive applied for ProbeHealthPolicy
• Set-* cmdlets removed per ARM best practices
• Tests: 118 parameter-set validation tests passing
• PR: [azure-powershell PR link once created]