Implement agent authorization policies for workspaces - General rollout
As a followup to https://gitlab.com/groups/gitlab-org/-/epics/12193+, this epic encapsulates all the work must be done and delivered as a part of second phase of implementing agent authorization policies for workspaces.
The end goal of this phase is to deliver everything required for general rollout of the feature.
For more details on the discussion that lead to the creation of this epic, please refer to this [thread](https://gitlab.com/groups/gitlab-org/-/epics/12193#note_1910142336).
epic