fix: Datadog integration api structure and add datadog_ci_visibility (!2976) · Merge requests · GitLab.org / API / client-go

What does this MR do and why?

GroupDatadogIntegration declares api_url, datadog_env, datadog_service, datadog_site, datadog_tags and archive_trace_events at the top level.
GitLab returns them inside properties, so all six always decoded to zero values. This MR moves them into a nested GroupDatadogIntegrationProperties struct.

Also adds the missing datadog_ci_visibility property.

fix: Datadog integration api structure and add datadog_ci_visibility

What does this MR do and why?

Merge request reports