Changes GitLabbers to GitLab team-members
Gitlabbers is a misused term but it was present in a few prominent places in our handbook, and also in various other places that are not as prominent.
This MR:
- replaces all instances of "GitLabbers" with "GitLab team-members"
- replaces all instances of "GitLab team members" with "GitLab team-members"
- replaces all instances of "GitLab team member" with "GitLab team-member"
Edited by John Jarvis