bugfix: add additional columns for unique column combination test for apple_search_ads__search_term_report

[yuna-tang]

We need to add additional columns for dbt_utils.unique_combination_of_columns as we can run multiple keyword_id,ad_group_id and campaign_id for the same search_term_text & date_day.

Please provide your name and company
Name: Yuna Tang
Company: SafetyCulture

Link the issue/feature request which this PR is meant to address
#16

Detail what changes this PR introduces and how this addresses the issue/feature request linked above.
I have added additional columns in dbt_utils.unique_combination_of_columns test for apple_search_ads__search_term_report.
We can run multiple keyword_id,ad_group_id and campaign_id for the same search_term_text & date_day.
If we only include search_term_text & date_day, there will be duplications in the test.

How did you validate the changes introduced within this PR?
I have run below to validate there is duplication records with those combinations in our datawarehouse.

    select
        search_term_text, date_day,campaign_id,keyword_id,ad_group_id
    from "<your_test_db>"."apple_search_ads"."apple_search_ads__search_term_report"
    group by search_term_text, date_day,campaign_id,keyword_id,ad_group_id
    having count(*) > 1
    order by date_day desc;

Which warehouse did you use to develop these changes?
Redshift
Did you update the CHANGELOG?

• [ x] Yes

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)

• Yes

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