add anniversaries and anecdotes
Fix: https://dev.gitlab.org/gitlab/organization/issues/928
@ernstvn: Please let me know if you would like me to add the items to the team agenda from now on too for birthdays/work anniversaries/historical anecdotes
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Fix: https://dev.gitlab.org/gitlab/organization/issues/928
@ernstvn: Please let me know if you would like me to add the items to the team agenda from now on too for birthdays/work anniversaries/historical anecdotes