This 1.23 release adds a few items to frontend: download attachments
button right on build view, download metric charts and known issues on
project view.
The release also changes task id for fetch tasks, this will help debugging
fetch-related errors.
Complete list of changes going in:
* ci: tasks: define task_id for fetch tasks
* core:
* frontend add group 'privileged' access level
* make PatchSource.token nullable
* frontend:
* Fix a typo on the delete project button
* add known issues to project view
* export metrics graphs as picture
* rest: add dropdown to download attachments