Generate docs using OpenAPI 3.0

Doc generation in OpenAPI 3.0 requires executions for each file being generated.
This change adds those executions and updates the dependency to copy these files.

Issue-ID:CPS-1745

Signed-off-by: egernug <gerard.nugent@est.tech>
Change-Id: I144b49b0066f798f15408d955dcd914dd2c0bc91
3 files changed