Add support for draft 4

[OptimumCode]

Resolves #139

[codecov]

Codecov Report

Attention: Patch coverage is 85.71429% with 15 lines in your changes missing coverage. Please review.

Project coverage is 90.59%. Comparing base (68756be) to head (5b32acc).

Files	Patch %	Lines
.../factories/number/Draft4MaximumAssertionFactory.kt	66.66%	0 Missing and 7 partials ⚠️
.../factories/number/Draft4MinimumAssertionFactory.kt	66.66%	0 Missing and 7 partials ⚠️
...schema/internal/config/Draft4SchemaLoaderConfig.kt	97.91%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@ Coverage Diff @@ ## main #140 +/- ## ========================================== - Coverage 90.75% 90.59% -0.17%  ========================================== Files 126 130 +4 Lines 3743 3847 +104 Branches 1027 1055 +28 ========================================== + Hits 3397 3485 +88  - Misses 65 66 +1  - Partials 281 296 +15 

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