Bump the main group across 1 directory with 2 updates

Bumps the main group with 2 updates in the / directory: [pydantic](https://github.com/pydantic/pydantic) and [pydantic-settings](https://github.com/pydantic/pydantic-settings).


Updates `pydantic` from 2.7.1 to 2.7.3
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.7.1...v2.7.3)

Updates `pydantic-settings` from 2.2.1 to 2.3.1
- [Release notes](https://github.com/pydantic/pydantic-settings/releases)
- [Commits](pydantic/pydantic-settings@v2.2.1...v2.3.1)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: main
- dependency-name: pydantic-settings
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: main
...

Signed-off-by: dependabot[bot] <[email protected]>