Added Azure Update Manager to ArcBox

[janegilring]

This pull request includes several changes to the azure_jumpstart_arcbox project, primarily focusing on enhancing the update management capabilities and refining the deployment scripts. The most important changes include updating the PowerShell scripts to trigger update assessments, modifying the Bicep templates to include new policy parameters, and removing unnecessary computer restarts from scheduled tasks.

PowerShell Script Enhancements:

• Updated ArcServersLogonScript.ps1 to trigger update assessments for Arc-enabled servers and use $using scope for variables in parallel execution. (azure_jumpstart_arcbox/artifacts/ArcServersLogonScript.ps1) [1] [2] [3]

Bicep Template Modifications:

• Added new parameters for Azure Update Manager policies in policyAzureArc.bicep. (azure_jumpstart_arcbox/bicep/mgmt/policyAzureArc.bicep)
• Included resources for enabling Azure Update Manager policies for both Linux and Windows machines in policyAzureArc.bicep. (azure_jumpstart_arcbox/bicep/mgmt/policyAzureArc.bicep)

Deployment Script Refinements:

• Removed the Restart-Computer -Force command from the scheduled task creation blocks in Bootstrap.ps1 for both ITPro and DevOps flavors. (azure_jumpstart_arcbox/artifacts/Bootstrap.ps1) [1] [2]

Documentation Update:

• Updated the description for the namingPrefix parameter to clarify its use for all Azure resources deployed. (azure_jumpstart_arcbox/bicep/main.bicep)

[microsoft-github-policy-service]

Hi janegilring! Thank you for opening this Pull Request. Someone will review it soon. Thank you for committing to making the Arc Jumpstart better.