Fix builds API response that did not include commit data

What does this MR do?

This is fix for problem with builds API response not including information about commit this build is created for.

What are the relevant issue numbers?

Closes #18476 (closed)

Does this MR meet the acceptance criteria?

• CHANGELOG entry added
• Documentation created/updated
• API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the style guides
• Branch has no merge conflicts with master (if you do - rebase it please)
• Squashed related commits together