Replace bootstrap alerts in app/.../_deletion_failed.html.haml

app/views/projects/_deletion_failed.html.haml

 - project = local_assigns.fetch(:project)
 - return unless project.delete_error.present?
 
-.project-deletion-failed-message.alert.alert-warning
+.project-deletion-failed-message.gl-alert.gl-alert-warning
+  = sprite_icon('warning', size: 16, css_class: 'gl-icon gl-alert-icon gl-alert-icon-no-title')
+  .gl-alert-body
     This project was scheduled for deletion, but failed with the following message:
     = project.delete_error

changelogs/unreleased/233672-replace-bootstrap-alerts-in-app-views-projects-_deletion_failed-ht.yml

+---
+title: Replace bootstrap alerts in app/views/projects/_deletion_failed.html.haml
+merge_request: 41344
+author: Gilang Gumilar
+type: changed