Laura.hampton/add default go metrics

[lgh2]

What does this PR do?

Adds a global variable in the OpenmetricsV2 base check for default go metrics

Motivation

AI-3789

Additional Notes

Review checklist (to be filled by reviewers)

• [ ] Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• [ ] Changelog entries must be created for modifications to shipped code
• [ ] 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[bot]]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 89.99%. Comparing base (6498b27) to head (d18293f). Report is 4 commits behind head on master.

Additional details and impacted files

Flag	Coverage Δ
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spark	93.89% <ø> (-0.27%)	:arrow_down:
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