move events only used by core to dbt/events

[MichelleArk]

resolves #9152

Problem

The common subdirectly is being moved to a separate repo (dbt-common) shortly. Currently most events are defined in common, regardless of their usage. A large chunk of these only have usage in core, and should be moved out of common to avoid increasing development overhead (coordinating across multiple repos) when making changes to events only used in core.

Solution

Audit which events defined in common are only used in core (and not by common or adapters), and move those definitions to core.

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
• This PR includes type annotations for new and modified functions

Ensuring we haven't regressed on cyclical dependencies:

❯ python3 scripts/migrate-adapters.py core/dbt/adapters

migration progress: 100.0% of dbt imports are valid (from adapters or common)
remaining core imports: 0

(also was keeping an eye out as I was changing import paths)

[github-actions]

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[codecov]

Codecov Report

Attention: 57 lines in your changes are missing coverage. Please review.

Comparison is base (7763212) 86.66% compared to head (30115e4) 86.64%.

Files	Patch %	Lines
core/dbt/common/events/types_pb2.py	2.32%	42 Missing ⚠️
core/dbt/events/types.py	98.47%	14 Missing ⚠️
core/dbt/task/sql.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #9326      +/-   ##
==========================================
- Coverage   86.66%   86.64%   -0.03%     
==========================================
  Files         221      221              
  Lines       26957    26969      +12     
==========================================
+ Hits        23363    23368       +5     
- Misses       3594     3601       +7     

Flag	Coverage Δ
integration	83.58% <83.46%> (-0.03%)	⬇️
unit	65.30% <91.05%> (+0.01%)	⬆️

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