Bump pydantic from 2.11.7 to 2.11.9

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.11.7 to 2.11.9.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/v2.11.9/HISTORY.md)
- [Commits](pydantic/pydantic@v2.11.7...v2.11.9)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.11.9
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

src/requirements.txt

@@ -122,7 +122,7 @@ propcache==0.3.2
     #   yarl
 pycparser==2.23
     # via cffi
-pydantic==2.11.7
+pydantic==2.11.9
     # via openai
 pydantic-core==2.33.2
     # via pydantic