Fix illegal argument exception when use UUIDs as primary keys

[zingimmick]

Fixes #62

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.23 ⚠️

Comparison is base (f70b6c5) 93.64% compared to head (5ebf7b3) 93.41%.

❗ Current head 5ebf7b3 differs from pull request most recent head 375d9a4. Consider uploading reports for the commit 375d9a4 to get more accurate results

Additional details and impacted files

@@             Coverage Diff              @@
##                3.x      #63      +/-   ##
============================================
- Coverage     93.64%   93.41%   -0.23%     
  Complexity       37       37              
============================================
  Files             2        2              
  Lines           173      167       -6     
============================================
- Hits            162      156       -6     
  Misses           11       11              

Impacted Files	Coverage Δ
src/Engines/OpenSearchEngine.php	92.85% <100.00%> (-0.27%)	⬇️

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