Utx only/openmetric target info 2

[UTXOnly]

What does this PR do?

• Adds support for target_info metric type
• Adds tests to ensure tags are added to metrics

Motivation

Review checklist (to be filled by reviewers)

• Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• Add the qa/skip-qa label if the PR doesn't need to be tested during QA.
• If you need to backport this PR to another branch, you can add the backport/<branch-name> label to the PR and it will automatically open a backport PR once this one is merged

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.90%. Comparing base (941cd2d) to head (bdc5cd1).

Additional details and impacted files