Credential Provider & GPPermission

[FriedrichWeinmann]

• New: Component to customize credentials used. The Credential Providers allow dynamic credential resolution (e.g.: Accessing Key Vaults) as part of all ADMF workflows.
• New: Register-AdmfCredentialProvider - register logic to resolve credentials to use
• Upd: Invoke-AdmfDomain - support for applying Group Policy Permission configuration added
• Upd: Test-AdmfDomain - support for testing Group Policy Permissions added
• Upd: Set-AdmfContext - support for Group Policy Permissions and Group Policy Permission Filters added
• Upd: New-AdmfContext - support for Group Policy Permissions and Group Policy Permission Filters added
• Upd: New-AdmfContext - the -DefaultAccessRules parameter now also creates default Group Policy Permissions
• Fix: Context scriptblocks for determining, whether they should be checked in interactive selection mode would not receive explicit credentials.

[FriedrichWeinmann]

Test will fail for now due to dependencies not yet released at their new version. PRs pending approval.