ct-2587: adds query tag macros and updates table materialization

[trouze]

resolves #7648

Description

Idea is to support query tagging out of the box with dbt-core, and let each adapter implement their own version of how this will work via dispatching of the set_query_tag() and unset_query_tag() macros.

Checklist

• I have read the contributing guide and understand what's expected of me
• I have signed the CLA
• 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
• I have opened an issue to add/update docs, or docs changes are not required/relevant for this PR
• I have run changie new to create a changelog entry

[jtcohen6]

Thanks for this @trouze! I'm supportive of moving forward here with your proposal.

Depending on how deep you're willing to go here, I'd love to see follow-on PRs in the adapter repos for each of the implementation:

• Snowflake PR (just removing code): TK
• Redshift PR: ADAP-381: adds query tagging support and materializations to dbt-redshift dbt-redshift#379
• BigQuery issue (no PR yet): [ADAP-501] [Feature] Leverage Bigquery Comments at Model level dbt-bigquery#685

[jtcohen6]

This is fine during development, but I think we'd want this to be an actual noop by default (= just return an empty string). No need to clutter the logs for Postgres users with a bunch of these messages.

[jtcohen6]

We'll want this everywhere that dbt-snowflake currently has it implemented:

• table
• view
• incremental
• seed
• snapshot
• test
• MV / dynamic table

Then we can totally delete & remove the Snowflake-specific implementations of test, snapshot, and seed — which only exist to support setting/unsetting query tags.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (991618d) 86.23% compared to head (074dfde) 65.13%.
Report is 263 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #7770       +/-   ##
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- Coverage   86.23%   65.13%   -21.10%     
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  Files         174      174               
  Lines       25518    25518               
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- Hits        22005    16622     -5383     
- Misses       3513     8896     +5383     

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[github-actions]

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