feat(python): Extend ValidationErrorKind with error-specific context

[Stranger6667]

try:
    jsonschema_rs.validate({"maxItems": 2}, [1,2,3])
except Exception as exc:
    error = exc

print(a.kind.limit)
# 2

[codecov]

Codecov Report

Attention: Patch coverage is 2.18579% with 179 lines in your changes missing coverage. Please review.

Project coverage is 85.31%. Comparing base (fb652cd) to head (d0a0935).
Report is 2 commits behind head on master.

Files with missing lines	Patch %	Lines
crates/jsonschema-py/src/lib.rs	0.00%	179 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #656      +/-   ##
==========================================
- Coverage   86.15%   85.31%   -0.84%     
==========================================
  Files          90       90              
  Lines       13647    13786     +139     
==========================================
+ Hits        11757    11761       +4     
- Misses       1890     2025     +135     

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[codspeed-hq]

CodSpeed Performance Report

Merging #656 will not alter performance

_{Comparing dd/more-error-context (d0a0935) with master (cfd6702)}

Summary

✅ 45 untouched benchmarks