builds-api: Create GET /build endpoint
This returns all of the user's builds in a format we already expect on the frontend.
With this we can elimate all the functions in the frontend used to parse build json to extract only the needed fields, since we are not returning only the needed fields from the backend.
- update openapi schema and auto generated files
- create the List endpoint and write tests
- create functions used to parse builds to extract on the desired fields
Bug: T340109 Signed-off-by: Ndibe Raymond Olisaemeka NdibeRaymond1@gmail.com