Update to Ruby 2.6.6 for project on README (!927) · Merge requests · GitLab.org / GitLab Docs · GitLab

Takuya Noguchi requested to merge tnir/gitlab-docs:ruby-2.6.6-supplement into master Jun 01, 2020

Update to Ruby 2.6.6 for project on README

Supplement of !915 (merged)