Data Factory Custom Policies

[marvinbuss]

Overview/Summary

Replace this with a brief description of what this Pull Request fixes, changes, etc.

This PR fixes/adds/changes/removes

1. Added Data Factory Custom Policies

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.
• [ ] Updated relevant and associated documentation.
• [ ] Updated the "What's New?" wiki page (located: /docs/wiki/whats-new.md)

[marvinbuss]

@jtracey93

Azure Data Factory

Policy Name	Policy Area	Description
Deny-DataFactory-ApiVersion	Resource Management	Denies old API version for data factory V1.
Deny-DataFactory-IdentityType	Authentication	Enforces use of system assigned identity for data factory.
Deny-DataFactory-IntegrationRuntimeManagedVirtualNetwork	Network Isolation	Denies Integration Runtimes that are not connected to the Managed Virtual Network.
Deny-DataFactory-ManagedPrivateEndpoints	Network Isolation	Denies external private endpoints for linked services.
Deny-DataFactory-PublicNetworkAccess	Network Isolation	Denies public access to data factory.
Deploy-DataFactory-ManagedVirtualNetwork	Network Isolation	Deploy managed virtualnetwork for data factory.

[marvinbuss]

@krnese I would enforce the following on the Corp Management Group:

Deny-DataFactory-PublicNetworkAccess

I would like to enforce more, but this will be difficult to manage.

[krowlandson]

• Closing as superseded by #1144