fixes __pydantic_config__ ignored for TypeDict

[13sin]

Change Summary

_update_class_schema was not called for function typed_dict_schema in json_schema.py. The TypedDictSchema doesn't have cls variable. But, we can get cls from metadata.

Related issue number

Fix #8698

Checklist

• The pull request title is a good summary of the changes - it will be used in the changelog
• Unit tests for the changes exist
• Tests pass on CI
• Documentation reflects the changes where applicable
• My PR is ready to review, please add a comment including the phrase "please review" to assign reviewers

Selected Reviewer: @davidhewitt

[13sin]

please review

[codspeed-hq]

CodSpeed Performance Report

Merging #8734 will not alter performance

_{Comparing 13sin:fix-pydantic-config-ignored-for-typedict (e54b2d5) with main (3fda9d6)}

Summary

✅ 10 untouched benchmarks

[sydney-runkle]

@13sin,

This fix looks great, thanks!