Actualize docs changes for Vulnerabilities API
References
Merged MR that introduced documentation requiring review: !17364 (merged)
Related issue(s): #10242 (closed), #10252 (closed).
Further Details
The merge request that was merged has contained the documentation changes in the form of stub files. The reasoning behind this is the First-class Vulnerabilities feature was in MVC stage, covered by feature flag and not intended for public exposure. At the moment when this issue has MR(s) to actualize these stubs, this feature flag should be removed.