Updating install and get started

[sdwheeler]

Changed Login-AzureRmAccount to Connect-AzureRmAccount
Update PowerShellGet requirements

[ghost]

✅ Validation status: passed

File	Status	Preview URL	Details
docs-conceptual/azurermps-1.2.9/install-azurerm-ps.md	✅Succeeded
docs-conceptual/azurermps-2.2.0/install-azurerm-ps.md	✅Succeeded
docs-conceptual/azurermps-3.8.0/install-azurerm-ps.md	✅Succeeded
docs-conceptual/azurermps-4.4.1/install-azurerm-ps.md	✅Succeeded
docs-conceptual/azurermps-5.6.0/authenticate-azureps.md	✅Succeeded
docs-conceptual/azurermps-5.6.0/azureps-vm-tutorial.yml	✅Succeeded
docs-conceptual/azurermps-5.6.0/context-persistence.md	✅Succeeded
docs-conceptual/azurermps-5.6.0/create-azure-service-principal-azureps.md	✅Succeeded
docs-conceptual/azurermps-5.6.0/get-started-azureps.md	✅Succeeded
docs-conceptual/azurermps-5.6.0/install-azurerm-ps.md	✅Succeeded
docs-conceptual/azurermps-5.6.0/install-azurermps-maclinux.md	✅Succeeded
docs-conceptual/azurermps-5.6.0/other-install.md	✅Succeeded
docs-conceptual/azurermps-5.6.0/using-psjobs.md	✅Succeeded

For more details, please refer to the build report.

Note: If you changed an existing file name or deleted a file, broken links in other files to the deleted or renamed file are listed only in the full build report.

[sdwheeler]

#sign-off