Update integration test to include SHA

What does this MR do?

Last bit needed for gitlab-org/gitlab#419365 (closed)

Updates integration test for Conan so it includes SHA in refs, but the result of the integration test should be the same

What are the relevant issue numbers?

gitlab-org/gitlab#419365 (closed)

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 added for this feature/bug
• [-] Job definition updated, if necessary
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  • Job definition example
  • CI Templates
• Conforms to the code review guidelines
• Conforms to the Go guidelines
• Security reports checked/validated by reviewer