Add High Speed Interconnect Placement property to VMSS commands

[audreyttt]

Description

Mandatory Checklist

• Please choose the target release of Azure PowerShell. (⚠️Target release is a different concept from API readiness. Please click below links for details.)

  • General release
  • Public preview
  • Private preview
  • Engineering build
  • No need for a release

• Check this box to confirm: I have read the Submitting Changes section of CONTRIBUTING.md and reviewed the following information:

• SHOULD update ChangeLog.md file(s) appropriately
  • Update src/{{SERVICE}}/{{SERVICE}}/ChangeLog.md.
    • A snippet outlining the change(s) made in the PR should be written under the ## Upcoming Release header in the past tense.
  • Should not change ChangeLog.md if no new release is required, such as fixing test case only.
• SHOULD regenerate markdown help files if there is cmdlet API change. Instruction
• SHOULD have proper test coverage for changes in pull request.
• SHOULD NOT adjust version of module manually in pull request

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[Copilot]

Pull request overview

This pull request adds support for the High Speed Interconnect Placement property to Virtual Machine Scale Set (VMSS) commands in the Azure PowerShell Compute module. The feature allows users to specify high-speed interconnect placement settings when creating or updating VMSS resources.

Key Changes:

• Added -HighSpeedInterconnectPlacement parameter to three VMSS cmdlets: New-AzVmss, New-AzVmssConfig, and Update-AzVmss
• Implemented backend support in strategy and method classes to properly handle and propagate the new parameter
• Added comprehensive test coverage with a new test function

Reviewed changes

Copilot reviewed 8 out of 12 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
src/Compute/Compute/help/Update-AzVmss.md	Updated help documentation to include the new -HighSpeedInterconnectPlacement parameter
src/Compute/Compute/help/New-AzVmssConfig.md	Added parameter documentation for -HighSpeedInterconnectPlacement in VMSS configuration cmdlet
src/Compute/Compute/help/New-AzVmss.md	Documented the new parameter in the VMSS creation cmdlet help
src/Compute/Compute/Strategies/ComputeRp/VirtualMachineScaleSetStrategy.cs	Extended strategy methods to accept and apply highSpeedInterconnectPlacement parameter
src/Compute/Compute/Manual/VirtualMachineScaleSetCreateOrUpdateMethod.cs	Added parameter definition with PSArgumentCompleter and wired it through to the strategy layer
src/Compute/Compute/Generated/VirtualMachineScaleSet/VirtualMachineScaleSetUpdateMethod.cs	Added parameter to the Update-AzVmss cmdlet implementation
src/Compute/Compute/Generated/VirtualMachineScaleSet/Config/NewAzureRmVmssConfigCommand.cs	Implemented parameter in config command and set property in VMSS object creation
src/Compute/Compute/Generated/Models/PSVirtualMachineScaleSet.cs	Added HighSpeedInterconnectPlacement property to the PowerShell model object
src/Compute/Compute/ChangeLog.md	Added changelog entry documenting the new parameter addition
src/Compute/Compute.Test/ScenarioTests/VirtualMachineScaleSetTests.ps1	Implemented comprehensive test function covering parameter usage across different scenarios
src/Compute/Compute.Test/ScenarioTests/VirtualMachineScaleSetTests.cs	Registered new test method for execution