Do not stop a deployment for S4 Incidents
As discussed on gitlab-com/www-gitlab-com!51987 (comment 355205612), when there is an active incident, we should stop the deployment only if the incident has an S1, S2, or S3 label.
As discussed on gitlab-com/www-gitlab-com!51987 (comment 355205612), when there is an active incident, we should stop the deployment only if the incident has an S1, S2, or S3 label.