Bump pydantic from 2.12.0 to 2.12.3 (#239)

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.12.0 to 2.12.3.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.12.0...v2.12.3)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.12.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

dev-requirements.txt

@@ -5,7 +5,7 @@ uvicorn==0.38.0
 fastapi==0.120.4
 requests==2.32.5
 websockets==15.0.1
-pydantic==2.12.0
+pydantic==2.12.3
 setuptools>=40.8.0
 vulture>=1.0
 bandit>=1.5.1