Bump pydantic-settings from 2.5.2 to 2.6.1

Bumps [pydantic-settings](https://github.com/pydantic/pydantic-settings) from 2.5.2 to 2.6.1.
- [Release notes](https://github.com/pydantic/pydantic-settings/releases)
- [Commits](pydantic/pydantic-settings@v2.5.2...v2.6.1)

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

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

Author: dependabot[bot]

requirements.txt

@@ -26,7 +26,7 @@ markdown==3.7
 pgpy==0.6.0
 plumbum==1.9.0
 psycopg2-binary==2.9.10
-pydantic-settings==2.5.2
+pydantic-settings==2.6.1
 pydantic==2.9.2
 python-multipart>=0.0.7
 sentry-sdk[fastapi]==2.18.0  # requires FastAPI>=0.79.0