Bump pydantic-core to v2.29.0

[mikeedjones]

Change Summary

• Add docs for new "set_item_not_hashable" error type added to pydantic-core in Raise validation error when unhashable items added to a set pydantic-core#1619
• Perf boost here due to Memory usage optimization via reuse of SchemaValidator and SchemaSerializer pydantic-core#1616

Related issue number

#11360

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: @sydney-runkle

[hyperlint-ai]

The style guide flagged several spelling errors that seemed like false positives. We skipped posting inline suggestions for the following words:

• [Hh]ashable

[codspeed-hq]

CodSpeed Performance Report

Merging #11402 will improve performances by 17.27%

_{Comparing mikeedjones:add-set_item_not_hashable-doc (0a1971f) with main (398b4bb)}

Summary

⚡ 15 improvements
✅ 31 untouched benchmarks

Benchmarks breakdown

	Benchmark	BASE	HEAD	Change
⚡	test_fastapi_startup_perf	148.1 ms	140.3 ms	+5.6%
⚡	test_fastapi_startup_perf	20.9 ms	19.9 ms	+5.09%
⚡	test_complex_model_schema_generation	1.5 ms	1.4 ms	+5.93%
⚡	test_construct_dataclass_schema	1.4 ms	1.2 ms	+17.27%
⚡	test_lots_of_models_with_lots_of_fields	2.3 s	2 s	+16.79%
⚡	test_nested_model_schema_generation	863.7 µs	803.8 µs	+7.45%
⚡	test_recursive_model_schema_generation	844.9 µs	793 µs	+6.56%
⚡	test_simple_model_schema_generation	612.7 µs	574.9 µs	+6.58%
⚡	test_simple_model_schema_lots_of_fields_generation	22.7 ms	21.6 ms	+5.27%
⚡	test_tagged_union_with_callable_discriminator_schema_generation	1,119.5 µs	995.8 µs	+12.43%
⚡	test_tagged_union_with_str_discriminator_schema_generation	1,161.8 µs	998.5 µs	+16.36%
⚡	test_deeply_nested_recursive_model_schema_generation	1.1 ms	1 ms	+5.7%
⚡	test_generic_recursive_model_schema_generation	736.6 µs	695.3 µs	+5.93%
⚡	test_recursive_discriminated_union_with_base_model	1.4 ms	1.3 ms	+7.9%
⚡	test_simple_recursive_model_schema_generation	617.7 µs	578.1 µs	+6.84%

[mikeedjones]

please review - CI tests failing whilst waiting for next pydantic-core release which adds new error code to ErroType.

[hyperlint-ai]

The style guide flagged several spelling errors that seemed like false positives. We skipped posting inline suggestions for the following words:

• [Uu]nhashable

[sydney-runkle]

Thanks for the docs update!

[github-actions]

Coverage report

This PR does not seem to contain any modification to coverable code.