This Microsoft Flow package can be imported into your Microsoft Flow environment as a solution starter. The Flow trigger and Actions will need updates to connect to your target environments as these will currently be linked to a Microsoft Demo instance the Flow was exported from. A blog post that details the changes required can be found here:

https://pwmather.wordpress.com/2019/06/19/download-example-microsoftflow-for-syncing-msproject-roadmap-row-item-status-with-projectonline-task-status-cds-powerplatform-msflow-rest-sharepoint-workmanagement-office365/