feat: knex mutator

[wschurman]

Why

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How

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Test Plan

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[wschurman]

• feat: knex mutator #558 👈 (View in Graphite)
• main

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[codecov]

Codecov Report

❌ Patch coverage is 96.95122% with 25 lines in your changes missing coverage. Please review.
✅ Project coverage is 99.86%. Comparing base (977b790) to head (a89221d).

Files with missing lines	Patch %	Lines
packages/entity/src/EntityConstructionUtils.ts	44.44%	10 Missing ⚠️
...nex/src/AuthorizationResultBasedBaseKnexMutator.ts	96.09%	8 Missing ⚠️
...x-testing-utils/src/StubPostgresDatabaseAdapter.ts	22.22%	7 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##              main     #558      +/-   ##
===========================================
- Coverage   100.00%   99.86%   -0.14%     
===========================================
  Files          110      115       +5     
  Lines        17422    18242     +820     
  Branches      1505     1520      +15     
===========================================
+ Hits         17422    18217     +795     
- Misses           0       25      +25     

Flag	Coverage Δ
integration	30.84% <95.73%> (+3.05%)	⬆️
unittest	92.75% <40.60%> (-2.46%)	⬇️

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