'group deployment' is deprecated and will be removed in the future, we should use 'deployment group'

From https://storage.googleapis.com/origin-ci-test/pr-logs/pull/openshift_installer/4253/pull-ci-openshift-installer-release-4.6-e2e-azure-upi/1314165245706506240/build-log.txt

Deploying 04_bootstrap
This command is implicitly deprecated because command group 'group deployment' is deprecated and will be removed in a future release. Use 'deployment group' instead.
ValidationError: Deployment failed. Correlation ID: fcdb0b7b-feac-4e15-8c1c-564f1fad9a15. {
  "status": "Failed",
  "error": {
    "code": "ResourceDeploymentFailure",
    "message": "The resource operation completed with terminal provisioning state 'Failed'.",
    "details": [
      {
        "code": "OSProvisioningTimedOut",
        "message": "OS Provisioning for VM 'ci-op-s59i27pd-673fd-4hkwb-bootstrap' did not finish in the allotted time. The VM may still finish provisioning successfully. Please check provisioning state later. Also, make sure the image has been properly prepared (generalized).\r\n * Instructions for Windows: https://azure.microsoft.com/documentation/articles/virtual-machines-windows-upload-image/ \r\n * Instructions for Linux: https://azure.microsoft.com/documentation/articles/virtual-machines-linux-capture-image/ \r\n * If you are deploying more than 20 Virtual Machines concurrently, consider moving your custom image to shared image gallery. Please refer to https://aka.ms/movetosig for the same."
      }
    ]
  }
}