Ignore scan.scanner.version when comparing reports

What does this MR do?

This MR ignores the scan.scanner.version field when comparing reports for the integration test, dependency_scanning and sast qa stages.

What are the relevant issue numbers?

gitlab-org/gitlab#232760 (closed)

Does this MR meet the acceptance criteria?

• Tests added for this feature/bug

  • Failing qa jobs before the change in this MR: https://gitlab.com/gitlab-org/security-products/analyzers/gemnasium/-/pipelines/177745692
  • Passing qa jobs after the change in this MR: https://gitlab.com/gitlab-org/security-products/analyzers/gemnasium/-/pipelines/177751073