[Feature] Relax "Metrics Label Rule" that forbids metrics having the same label

[ataft]

Is this your first time submitting a feature request?

• I have read the expectations for open source contributors
• I have searched the existing issues, and I could not find an existing issue for this feature
• I am requesting a straightforward change to existing dbt-semantic-interfaces functionality, rather than a Big Idea better suited to a discussion

Describe the feature

There are many use cases for having metrics with the same label, as long as they are in different models. This feature request is to remove or loosen (warn, or make configurable with env var) the MetricLabelsRule that restricts metrics with the same label.

Describe alternatives you've considered

No response

Who will this benefit?

No response

Are you interested in contributing this feature?

No response

Anything else?

No response