fix: Schema poisoning via prototype pollution in deep copy (GHSA-9ccr-fpp6-78qf)

[mtrezza]

Issue

Schema poisoning via prototype pollution in deep copy (GHSA-9ccr-fpp6-78qf)

Tasks

• Add tests
• Add changes
• Add entry to changelog

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[parseplatformorg]

✅ Snyk checks have passed. No issues have been found so far.

Status	Scan Engine	Critical	High	Medium	Low	Total (0)
✅	Open Source Security	0	0	0	0	0 issues

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[parseplatformorg]

🎉 This change has been released in version 8.6.44

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.07%. Comparing base (522f008) to head (9df9777).
⚠️ Report is 3 commits behind head on release-8.x.x.

Additional details and impacted files

@@                Coverage Diff                @@
##           release-8.x.x   #10201      +/-   ##
=================================================
- Coverage          92.49%   92.07%   -0.42%     
=================================================
  Files                192      192              
  Lines              15924    15917       -7     
  Branches             196      196              
=================================================
- Hits               14729    14656      -73     
- Misses              1178     1240      +62     
- Partials              17       21       +4     

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