Update dependency pydantic-settings to v2.2.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
pydantic-settings (changelog)	2.2.0 -> 2.2.1

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Release Notes

pydantic/pydantic-settings (pydantic-settings)

v2.2.1

Compare Source

What's Changed

• respect env_prefix when extra allowed by @​zzstoatzz in https://github.com/pydantic/pydantic-settings/pull/238
• Replace tomlkit with tomli and remove toml_file_encoding config by @​hramezani in https://github.com/pydantic/pydantic-settings/pull/236
• Revert "Allow nested env var source to override nested init source." by @​hramezani in https://github.com/pydantic/pydantic-settings/pull/243

New Contributors

• @​zzstoatzz made their first contribution in https://github.com/pydantic/pydantic-settings/pull/238

Full Changelog: pydantic/pydantic-settings@v2.2.0...v2.2.1

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