Update json_schema_to_pydantic version and make relaxed requirement on arry item.

[ekzhu]

Resolves #6152

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 77.25%. Comparing base (8fe627e) to head (2aeb711).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #6209   +/-   ##
=======================================
  Coverage   77.25%   77.25%           
=======================================
  Files         200      200           
  Lines       14256    14256           
=======================================
  Hits        11014    11014           
  Misses       3242     3242           

Flag	Coverage Δ
unittests	77.25% <100.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.