adding AzurePS V4 task
adding AzurePS V4 task

Microsoft/vsts-tasks,Microsoft/vsts-tasks,dylan-smith/vso-agent-tasks,dylan-smith/vso-agent-tasks,Microsoft/vsts-tasks,Microsoft/vso-agent-tasks,dylan-smith/vso-agent-tasks,dylan-smith/vso-agent-tasks,Microsoft/vso-agent-tasks,Microsoft/vso-agent-tasks,dylan-smith/vso-agent-tasks,Microsoft/vsts-tasks,Microsoft/vsts-tasks