Update pydantic-settings to 2.3.2

[pyup-bot]

This PR updates pydantic-settings from 2.3.1 to 2.3.2.

Changelog

2.3.2

What's Changed
* Initialize CLI source on demand. by kschwab in https://github.com/pydantic/pydantic-settings/pull/305
* Fix command line help from `argparse` formatting problem by scottstanie in https://github.com/pydantic/pydantic-settings/pull/307
* Fix issue with nested model uppercase field name in case insensitive mode by hramezani in https://github.com/pydantic/pydantic-settings/pull/309

New Contributors
* scottstanie made their first contribution in https://github.com/pydantic/pydantic-settings/pull/307

**Full Changelog**: https://github.com/pydantic/pydantic-settings/compare/v2.3.1...v2.3.2

Links

• PyPI: https://pypi.org/project/pydantic-settings
• Changelog: https://data.safetycli.com/changelogs/pydantic-settings/