cloud-init security, bug fix, and enhancement update

19.4-11.0.1 - Forward port applicable cloud-init 18.4-2.0.3 changes to cloud-init-18-5 Orabug: 30435672 - Update OCI Datasource to support IMDSv2 - limit permissions Orabug: 31352433 - Changes to ignore all enslaved interfaces Orabug: 30092148 - Fix swap file size allocation logic to allocate...