Add adapter telemetry to snowplow event.

[VersusFacit]

Resolves dbt-labs/dbt-adapters#301

Solution

We propose exposing a method on the base adapter that will use existing snowplow infrastructure for tracking user statistics for any adapter.

We designed the json schema and event data to make it easy for us to add additional per-adapter information as use-cases emerge.

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 or 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.
• This PR includes type annotations for new and modified functions.

[github-actions]

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[github-actions]

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[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 2 lines in your changes missing coverage. Please review.

Project coverage is 62.11%. Comparing base (3d96b4e) to head (d56914c).

❗ There is a different number of reports uploaded between BASE (3d96b4e) and HEAD (d56914c). Click for more details.

HEAD has 17 uploads less than BASE

Flag	BASE (3d96b4e)	HEAD (d56914c)
unit	3	1
integration	15	0

Additional details and impacted files

@@             Coverage Diff             @@
##             main   #10859       +/-   ##
===========================================
- Coverage   89.15%   62.11%   -27.04%     
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  Files         183      183               
  Lines       23443    23445        +2     
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- Hits        20901    14564     -6337     
- Misses       2542     8881     +6339     

Flag	Coverage Δ
integration	?
unit	62.11% <60.00%> (-0.01%)	⬇️

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Components	Coverage Δ
Unit Tests	62.11% <60.00%> (-0.01%)	⬇️
Integration Tests	62.11% <60.00%> (-27.04%)	⬇️

[VersusFacit]

I considered that this should be something JSON safe, which a Python dict is 🫡