fix(deps): update dependency pydantic-settings to v2.4.0

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pydantic-settings (changelog)	2.3.4 -> 2.4.0

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Release Notes

pydantic/pydantic-settings (pydantic-settings)

### [`v2.4.0`](https://togithub.com/pydantic/pydantic-settings/releases/tag/v2.4.0) [Compare Source](https://togithub.com/pydantic/pydantic-settings/compare/v2.3.4...v2.4.0) #### What's Changed - Fix regex flags accidentally passed as count by [@​musicinmybrain](https://togithub.com/musicinmybrain) in [https://github.com/pydantic/pydantic-settings/pull/328](https://togithub.com/pydantic/pydantic-settings/pull/328) - Deprecate `read_env_file` and move it to `DotEnvSettingsSource` by [@​WarpedPixel](https://togithub.com/WarpedPixel) in [https://github.com/pydantic/pydantic-settings/pull/318](https://togithub.com/pydantic/pydantic-settings/pull/318) - Fix a bug when loading empty yaml file by [@​hramezani](https://togithub.com/hramezani) in [https://github.com/pydantic/pydantic-settings/pull/330](https://togithub.com/pydantic/pydantic-settings/pull/330) - feat: Enable access to the current state in settings sources by [@​VictorColomb](https://togithub.com/VictorColomb) in [https://github.com/pydantic/pydantic-settings/pull/326](https://togithub.com/pydantic/pydantic-settings/pull/326) - Add support for short options. by [@​kschwab](https://togithub.com/kschwab) in [https://github.com/pydantic/pydantic-settings/pull/339](https://togithub.com/pydantic/pydantic-settings/pull/339) - Add Azure Key Vault settings source by [@​AndreuCodina](https://togithub.com/AndreuCodina) in [https://github.com/pydantic/pydantic-settings/pull/272](https://togithub.com/pydantic/pydantic-settings/pull/272) - Add cli_exit_on_error config option by [@​kschwab](https://togithub.com/kschwab) in [https://github.com/pydantic/pydantic-settings/pull/340](https://togithub.com/pydantic/pydantic-settings/pull/340) #### New Contributors - [@​musicinmybrain](https://togithub.com/musicinmybrain) made their first contribution in [https://github.com/pydantic/pydantic-settings/pull/328](https://togithub.com/pydantic/pydantic-settings/pull/328) - [@​WarpedPixel](https://togithub.com/WarpedPixel) made their first contribution in [https://github.com/pydantic/pydantic-settings/pull/318](https://togithub.com/pydantic/pydantic-settings/pull/318) - [@​VictorColomb](https://togithub.com/VictorColomb) made their first contribution in [https://github.com/pydantic/pydantic-settings/pull/326](https://togithub.com/pydantic/pydantic-settings/pull/326) - [@​AndreuCodina](https://togithub.com/AndreuCodina) made their first contribution in [https://github.com/pydantic/pydantic-settings/pull/272](https://togithub.com/pydantic/pydantic-settings/pull/272) **Full Changelog**: https://github.com/pydantic/pydantic-settings/compare/v2.3.4...v2.4.0

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