Merge branch 'ld-api-regenerate-openapi_v2' into 'master'

Regenerate OpenAPI documentation of REST API

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/154043



Merged-by: Hunter Stewart <hustewart@gitlab.com>
Approved-by: Ashraf Khamis <akhamis@gitlab.com>
Approved-by: James Nutt <jnutt@gitlab.com>
Approved-by: Hunter Stewart <hustewart@gitlab.com>
Co-authored-by: Luke Duncalfe <lduncalfe@eml.cc>