DevTest Labs VM start/stop should support Azure Resource Manager using workload identity federation with openid connect

[rfennell]

Azure DevOps Extensions

DevTest Labs

Is your feature request related to a problem? Please describe.

DevTest Labs VM start/stop should works with Azure Resource Manager using Service Principles, but fails with null error if the service connection usesAzure Resource Manager using workload identity federation with openid connect

Describe the solution you'd like

Should support workload identity federation with openid connect

Describe alternatives you've considered

No response

Additional context

Workaround is to use the older service principle model, but Microsoft are encouraging people to move away from this to workload identity federation (with a single click to convert)

[rfennell]

These tasks are based on Microsoft tasks to create VMs https://github.com/Azure/azure-devtestlab. Any change should be done using the same pattern these related tasks use i.e. swap to Node from PowerShell