This MR adds an audit event when runners are deleted through the BulkDeleteRunner
GraphQL mutation (used in the Runners admin page).
Please include cross links to any resources that are relevant to this MR. This will give reviewers and future readers helpful context to give an efficient review of the changes introduced.
Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
Screenshots are required for UI changes, and strongly recommended for all other merge requests.
Numbered steps to set up and validate the change are strongly suggested.