update test_anonymous_usage_stats.py

[McKnight-42]

resolves #
docs dbt-labs/docs.getdbt.com/#

Problem

this 1.7.latest dbt core pr dbt-labs/dbt-core#9998 causes test failures for dbt-snowflake on 1.7 failing run: https://github.com/dbt-labs/dbt-snowflake/actions/runs/9004106060 due to change in referencing profiles_config_update and config option to project_config_update and the flags option instead

Solution

Make the appropriate changes in the test classes which will also make them more similar to 1.8 and above.

Checklist

• I have read the contributing guide and understand what's expected of me
• I have run this code in development and it appears to resolve the stated issue
• This PR includes tests, or tests are not required/relevant for this PR
• This PR has no interface changes (e.g. macros, cli, logs, json artifacts, config files, adapter interface, etc) or this PR has already received feedback and approval from Product or DX

[github-actions]

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