What does this MR do?
This works around the io-wait Ruby 2.7 dependency issue described in https://github.com/ruby/net-imap/issues/24.
Relates to https://gitlab.com/gitlab-org/gitlab-mail_room/-/merge_requests/35
Related issues
gitlab-org/omnibus-gitlab#6471 (closed)
Checklist
See Definition of done.
For anything in this list which will not be completed, please provide a reason in the MR discussion
Required
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Merge Request Title, and Description are up to date, accurate, and descriptive -
MR targeting the appropriate branch -
MR has a green pipeline on GitLab.com
Expected (please provide an explanation if not completing)
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Test plan indicating conditions for success has been posted and passes -
Documentation created/updated -
Integration tests added to GitLab QA -
The impact any change in container size has should be evaluated