Bump pydantic-settings from 2.5.2 to 2.6.0

Bumps [pydantic-settings](https://github.com/pydantic/pydantic-settings) from 2.5.2 to 2.6.0.
- [Release notes](https://github.com/pydantic/pydantic-settings/releases)
- [Commits](pydantic/pydantic-settings@v2.5.2...v2.6.0)

---
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

@@ -2,7 +2,7 @@ couchbase==4.3.2
 fastapi==0.115.2
 httpx==0.27.2
 pydantic==2.9.2
-pydantic_settings==2.5.2
+pydantic_settings==2.6.0
 pytest==8.3.3
 python-dotenv==1.0.1
 uvicorn==0.31.1