fix: crash when converting infinite values to JSON string

[zhu-xiaowei]

Description

1. fix the issue with converting non-finite values to JSON string

General Checklist

• Added new tests to cover change, if needed
• Build succeeds using Swift Package Manager
• All unit tests pass
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)
• Documentation update for the change if required
• PR title conforms to conventional commit style
• If breaking change, documentation/changelog update with migration instructions

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.90%. Comparing base (d302585) to head (f218f92).

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #66      +/-   ##
==========================================
+ Coverage   96.82%   96.90%   +0.08%     
==========================================
  Files          35       35              
  Lines        1667     1681      +14     
==========================================
+ Hits         1614     1629      +15     
+ Misses         53       52       -1     

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