fix: multipleOf validation for large integers beyond i64::MAX

[Stranger6667]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 85.71429% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 94.38%. Comparing base (f279dcd) to head (27eb16f).
⚠️ Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
crates/jsonschema/src/ext/numeric.rs	85.71%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #916      +/-   ##
==========================================
- Coverage   94.38%   94.38%   -0.01%     
==========================================
  Files          78       78              
  Lines       17529    17536       +7     
==========================================
+ Hits        16545    16551       +6     
- Misses        984      985       +1     

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[codspeed-hq]

CodSpeed Performance Report

Merging #916 will not alter performance

_{Comparing dd/fix-multiple-of-large (27eb16f) with master (f279dcd)}

Summary

✅ 61 untouched