fix: Infinite recursion

[Stranger6667]

Fixes #146

[codecov]

Codecov Report

Attention: Patch coverage is 91.22807% with 5 lines in your changes missing coverage. Please review.

Project coverage is 86.92%. Comparing base (ed3614d) to head (ffb736f).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
crates/jsonschema/src/keywords/ref_.rs	89.58%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #606      +/-   ##
==========================================
- Coverage   86.94%   86.92%   -0.02%     
==========================================
  Files          92       92              
  Lines       13339    13358      +19     
==========================================
+ Hits        11597    11611      +14     
- Misses       1742     1747       +5     

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[codspeed-hq]

CodSpeed Performance Report

Merging #606 will not alter performance

_{Comparing dd/fix-infinite-cycle (ffb736f) with master (ed3614d)}

Summary

✅ 45 untouched benchmarks