Extract URL Parameter Macro Update

This pull request was created automatically 🎉 and addresses Issue #21:

[x] Ensure the .github/workflows/auto-release.yml has been properly added.
[x] Ensure all references of dbt_utils.get_url_parameters has been updated to reflect the newly created package macro.
[x] Update the package version (currently vX.X.UPDATE) in the CHANGELOG.
[x] Update project versions in the dbt_project.yml and integration_tests/dbt_project.yml files.
[x] Confirm BuildKite is passing.
[x] Docs have been regenerated (to be generated following approval).

fivetran / dbt_snapchat_ads