Upgrade to report v6, command v4, integration-test:2

What does this MR do?

• upgrade gitlab.com/gitlab-org/security-products/analyzers/command/v3 version [v3.3.2 => v4.0.0]
• upgrade gitlab.com/gitlab-org/security-products/analyzers/report/v5 version [v5.13.0 => v6.0.0]
• upgrade to integration-test:2 and refresh all expectations

What are the relevant issue numbers?

Upgrade secure analyzer projects to report v6.0... (gitlab-org/gitlab#556748) • Adam Cohen

Does this MR meet the acceptance criteria?

• Changelog entry added
• Documentation created/updated for GitLab EE, if necessary
• Documentation created/updated for this project, if necessary
• Documentation reviewed by technical writer or follow-up review issue created
• Tests updated/added for this feature/bug
• Job definition updated, if necessary
  • Auto-DevOps template
  • Job definition example
  • CI Templates
• Conforms to the code review guidelines
• Conforms to the Go guidelines
• Security reports checked/validated by reviewer