Add missing Go metric to metadata.csv

[Kyle-Neale]

What does this PR do?

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 87.61%. Comparing base (eadaa1c) to head (701c723).
Report is 1 commits behind head on master.

Additional details and impacted files

Flag	Coverage Δ
activemq	?
cassandra	?
hive	?
hivemq	?
hudi	?
ignite	?
jboss_wildfly	?
kafka	?
presto	?
solr	?
supabase	93.97% <ø> (ø)

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[steveny91]

@Kyle-Neale The test is failing. If you want to add these 2 metrics then I think you have to overwrite the type in the metrics.py

https://github.com/DataDog/integrations-core/blob/master/datadog_checks_base/datadog_checks/base/checks/openmetrics/v2/metrics.py#L4