Bugfix/metrics-warning

[fivetran-sheringuyen]

Are you a current Fivetran customer?

Fivetran Employee 🥨

What change(s) does this PR introduce?

Updates to ad_reporting_metrics.yml in order to stop warnings when running package.

Did you update the CHANGELOG?

• [x] Yes

Does this PR introduce a breaking change?

• [ ] Yes (please provide breaking change details below.)
• [x] No (please provide an explanation as to how the change is non-breaking below.) It currently looks like this update should work for both dbt-core 1.3+ according to dbt docs.

Did you update the dbt_project.yml files with the version upgrade (please leverage standard semantic versioning)? (In both your main project and integration_tests)

• [x] Yes

Is this PR in response to a previously created Bug or Feature Request

• [x] Yes, Issue/Feature [#74 ]
• [ ] No

How did you test the PR changes?

• [x] Buildkite
• [x] Local (please provide additional testing details below)

Select which warehouse(s) were used to test the PR

• [x] BigQuery
• [x] Redshift
• [x] Snowflake
• [x] Postgres
• [x] Databricks
• [ ] Other (provide details below)

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[fivetran-sheringuyen]

Docs were not updated because I don't believe this change should affect the current docs based on what I saw in the docs. But happy to update if mistaken.

[fivetran-joemarkiewicz]

@fivetran-sheringuyen before we release this, let's make sure we integrate PR #81 into the v0.2.1 release. I would rather batch these updates than do back to back minor releases.