Bump pytest from 9.0.3 to 9.1.0 (#238)

Bumps [pytest](https://github.com/pytest-dev/pytest) from 9.0.3 to 9.1.0.
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@9.0.3...9.1.0)

---
updated-dependencies:
- dependency-name: pytest
  dependency-version: 9.1.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -3,6 +3,6 @@ fastapi==0.137.2
 httpx==0.28.1
 pydantic==2.13.4
 pydantic-settings==2.14.1
-pytest==9.0.3
+pytest==9.1.0
 python-dotenv==1.2.2
 uvicorn==0.48.0