Build(deps): Bump pydantic-settings from 2.3.0 to 2.3.1

Bumps pydantic-settings from 2.3.0 to 2.3.1.

Release notes

Sourced from pydantic-settings's releases.

v2.3.1

What's Changed

• Fix a regression in parsing env value for nested dict by @​hramezani in pydantic/pydantic-settings#301

Full Changelog: https://github.com/pydantic/pydantic-settings/compare/v2.3.0...v2.3.1

Commits

• 39d5e81 Prepare release 2.3.1 (#302)
• ad07a57 Fix a regresion in parsing env value for nested dict (#301)
• See full diff in compare view