Merge branch '369938-dast-validation-stucks-forever' into 'master'

DAST site validation gets stuck forever

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/104643



Merged-by: Phil Hughes <me@iamphill.com>
Approved-by: Scott de Jonge <sdejonge@gitlab.com>
Approved-by: Phil Hughes <me@iamphill.com>
Co-authored-by: Artur Fedorov <afedorov@gitlab.com>