Bump andrcuns/ruby from 2.6.6-buster-10.5 to 2.6.6-buster-10.6 in /spec/gitlab_mock
Bumps andrcuns/ruby from 2.6.6-buster-10.5 to 2.6.6-buster-10.6.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Bumps andrcuns/ruby from 2.6.6-buster-10.5 to 2.6.6-buster-10.6.