The big revamp PR!

[fivetran-jamie]

Are you a current Fivetran customer?

fivetran made PR

What change(s) does this PR introduce?

merges the following PRs

• https://github.com/fivetran/dbt_shopify/pull/53
• https://github.com/fivetran/dbt_shopify/pull/51
• https://github.com/fivetran/dbt_shopify/pull/49
• https://github.com/fivetran/dbt_shopify/pull/47
• https://github.com/fivetran/dbt_shopify/pull/46
• https://github.com/fivetran/dbt_shopify/pull/45
• https://github.com/fivetran/dbt_shopify/pull/44
• https://github.com/fivetran/dbt_shopify/pull/43
• https://github.com/fivetran/dbt_shopify/pull/36

Did you update the CHANGELOG?

• [x] Yes

Does this PR introduce a breaking change?

• [x] Yes (please provide breaking change details below.)
• [ ] No (please provide an explanation as to how the change is non-breaking below.)

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 https://github.com/fivetran/dbt_shopify/issues/42, https://github.com/fivetran/dbt_shopify/issues/37, https://github.com/fivetran/dbt_shopify/issues/41
• [ ] 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)

Provide an emoji that best describes your current mood

:dancer: **Feedback** We are so excited you decided to contribute to the Fivetran community dbt package! We continue to work to improve the packages and would greatly appreciate your [feedback](https://www.surveymonkey.com/r/DQ7K7WW) on our existing dbt packages or what you'd like to see next.

[fivetran-joemarkiewicz]

@fivetran-jamie same as my request from the source revamp PR. Can you update this PR description to be more informative around what updates are being applied. Even if we just link out to the other PRs, that would be great!