feat: Fail danger on errors
What does this MR do?
We should fail danger by default. Note that danger can be disabled via DANGER_DISABLED
if it proves problematic
Tested with gitlab-org/security-products/analyzers/gosec!104 (comment 583746548)
Relates to gitlab-org/gitlab#329872 (closed)
What are the relevant issue numbers?
Does this MR meet the acceptance criteria?
Edited by Lucas Charles