Add Gitaly data to the usage ping

What does this MR do?

Adds component data for Gitaly to the usage ping so we can understand self managed installs better.

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• [-] Documentation created/updated or follow-up review issue created
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Separation of EE specific content

Part of https://gitlab.com/gitlab-org/gitlab-ce/issues/60602