Add license ID number to usage ping

What does this MR do?

Add the license ID to the usage ping data.

Are there points in the code the reviewer needs to double check?

Don't think so.

Why was this MR needed?

This gives better matching than the MD5: https://gitlab.com/gitlab-com/salesforce/issues/167

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Tests added for this feature/bug
• Review
  • Has been reviewed by Backend
• Conform by the merge request performance guides
• Conform by the style guides
• Squashed related commits together