Update dependency pydantic to v2.6.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pydantic (changelog)	==2.6.2 -> ==2.6.3

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Release Notes

pydantic/pydantic (pydantic)

v2.6.3

Compare Source

GitHub release

What's Changed

Packaging

• Update pydantic-settings version in the docs by @​hramezani in #​8906

Fixes

• Fix discriminated union schema gen bug by @​sydney-runkle in #​8904

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Configuration

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🚦 Automerge: Enabled.

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.35%. Comparing base (fdb7489) to head (151fc3c).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #440   +/-   ##
=======================================
  Coverage   97.35%   97.35%           
=======================================
  Files           9        9           
  Lines         945      945           
=======================================
  Hits          920      920           
  Misses         25       25           

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