chore: Bump report to v3.19.0

What does this MR do?

Bumps report version to include report!57 (closed)

• Depends on report!58 (merged)
• Blocks semgrep!226 (merged)

What are the relevant issue numbers?

gitlab-org/gitlab#398809 (closed)

Does this MR meet the acceptance criteria?

• Changelog entry added
• Tests added for this feature/bug
• Conforms to the code review guidelines
• Conforms to the Go guidelines
• Security reports checked/validated by reviewer