docs: add terminated state
@vtak @cwoolley-gitlab Could you please have a look?
For context:
Slack discussion: https://gitlab.slack.com/archives/C03KE0L9NC9/p1672787919591699?thread_ts=1672676264.783149&cid=C03KE0L9NC9
The issue to watch for workspace deletion (amongst other things): gitlab-org/gitlab#387010 (closed)