Gitlab Workhorse source upgrade instructions fail
Summary
Following the source upgrade guide here, the step 10 (Update GitLab Workhorse) fails.
Steps to reproduce
Upgrade from Gitlab 13.6.1 to 13.7-stable following the upgrade guide.
Example Project
What is the current bug behavior?
Fails with:
$ sudo -u git -H bundle exec rake "gitlab:workhorse:install[/home/git/gitlab-workhorse]" RAILS_ENV=production
Could not find asciidoctor-kroki-0.2.2 in any of the sources
Run `bundle install` to install missing gems.
What is the expected correct behavior?
Should not fail and install workhorse properly.
Relevant logs and/or screenshots
See above.
Output of checks
Not applicable.