v21.5.12

• Adds a new way to fetch docker images using skopeo provided as a
  plugin using docker:// reference URL-like pointers to a docker image.
  The syntax is docker:// where is the string
  that would be used in a "docker pull " command.
  Also rename scanpipe.pipes.fetch.download() to fetch_http() #174

• Pipeline status modals are now loaded asynchronously and available from the
  project list view.

• Fix an issue accessing codebase resource content using the scan_codebase and
  load_inventory pipelines. #147