Updates authorization for lint
What does this MR do?
Updates authorization for ci/lint, and updates specs.
This update is required to conform to the following:
signup_enabled is true and user is auth: OK
signup_enabled is false and user is auth: OK
signup_enabled is true and user is not auth: OK
signup_enabled is false and user is not auth: UNAUTHORIZEDDoes this MR meet the acceptance criteria?
Conformity
- [-] Changelog entry
- [-] Documentation (if required)
- Code review guidelines
- Merge request performance guidelines
- Style guides
- Database guides
- Separation of EE specific content
Fixes: #321290 (closed)