build(deps): bump pydantic-settings

Bumps [pydantic-settings](https://github.com/pydantic/pydantic-settings) from 2.0.3 to 2.1.0.
- [Release notes](https://github.com/pydantic/pydantic-settings/releases)
- [Commits](pydantic/pydantic-settings@v2.0.3...v2.1.0)

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

Signed-off-by: dependabot[bot] <support@github.com>

experiment-tracker/data-collector/requirements.txt

@@ -1,6 +1,6 @@
 fastapi==0.103.1
 pydantic==2.3.0
-pydantic-settings==2.0.3
+pydantic-settings==2.1.0
 couchdb==1.2
 uvicorn==0.23.2