chore: Update to danger bot v0.12.0

What does this MR do?

This MR updates the danger review job to use the latest danger bot v0.12.0

Immediate follow-up to !278 (merged) since danger-bot!33 (merged) has just been merged

Tests

Sanity check: https://gitlab.com/gitlab-org/security-products/analyzers/kics/-/pipelines/484188867

What are the relevant issue numbers?

Does this MR meet the acceptance criteria?

• Tests added for this feature/bug