build(deps): update pydantic-core requirement from >=2.46.5 to >=2.49.0 in /clients/py

[dependabot]

Updates the requirements on pydantic-core to permit the latest version.

Changelog

Sourced from pydantic-core's changelog.

v2.14.0b2 (2026-09-09)

GitHub release

What's Changed

This pre-release adds full support for Python 3.15 specific features, such as support for frozendict, making use of TypeForm and stabilizing the MISSING sentinel type.

New Features

• Allow any CoreSchema to be used as serialization by @​Viicos in #13680

• Add support for frozendict type by @​Viicos in #13634

• Allow dict, frozendict and frozenset as defaultdict default factories by @​Viicos in #13623

• Add support for TypeForm by @​Viicos in #13459.

  This adds support for static type checking where a type form is expected. For instance, type adapters:

  from pydantic import TypeAdapter
  ta = TypeAdapter(int | str)
  assert_type(ta.validate_python(1), int | str)

• Add support for lazy imports by @​Viicos in #13776

• Stabilize MISSING sentinel by @​Viicos in #13782.

  The MISSING sentinel is no longer experimental, and can be imported as from pydantic import MISSING.

Changes

• Take ser_json_temporal into account when generating JSON Schema by @​shashiKundur1 in #13665
• Use the field name in __signature__ when validate_by_alias isFalse by @​jaideeppyne in #13730
• Add a deque core schema by @​Viicos in #13757
• Do not mention MISSING as a valid value in validation errors by @​Viicos in #13779
• Refactor Decimal JSON Schema pattern constraint by @​Viicos in #13672

Performance

• Refactor type references logic by @​Viicos in #13643
• Improve performance of GenerateSchema.generate_schema() dispatching by @​Viicos in #13614
• Move schema gathering logic to pydantic-core by @​Viicos in #13725
• Improve performance of FieldInfo construction by @​Viicos in #13726

... (truncated)

Commits

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