Bump pydantic-settings from 2.2.1 to 2.4.0

Bumps [pydantic-settings](https://github.com/pydantic/pydantic-settings) from 2.2.1 to 2.4.0.
- [Release notes](https://github.com/pydantic/pydantic-settings/releases)
- [Commits](pydantic/pydantic-settings@v2.2.1...v2.4.0)

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

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

requirements.txt

@@ -9,4 +9,4 @@ quart==0.19.4
 uvicorn==0.24.0
 aiohttp==3.9.2
 gunicorn==20.1.0
-pydantic-settings==2.2.1
+pydantic-settings==2.4.0