Ignore merged MRs on security validation
What does this MR do?
Ignore merged merge requests on security validation.
Validation on security merge requests should ignore those that are merged, since those are already processed. This commits modifies the ImplementationIssue logic to only consider opened merge requests when validating security merge requests.
Related to gitlab-com/gl-infra/delivery#2258 (closed) and part of gitlab-com/gl-infra/delivery#2094
Author Check-list
- [-] Has documentation been updated?
Edited by Mayra Cabrera