fix(ci-runners): deployment merge request link (!3596) · Merge requests · GitLab.com / Runbooks · GitLab

chef-repo was moved to GitLab.com in gitlab-com/gl-infra/production#4687 (closed).

reference: gitlab-com/gl-infra/infrastructure#13428

Snapshot: https://dashboards.gitlab.net/dashboard/snapshot/mDv5RKsaDbCr1MeWEpd1FIeGigAkwV3p