chore(deps): bump pydantic from 2.12.3 to 2.12.4

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.12.3 to 2.12.4.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/v2.12.4/HISTORY.md)
- [Commits](https://github.com/pydantic/pydantic/compare/v2.12.3...v2.12.4)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.12.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -40,7 +40,7 @@ sdnotify==0.3.2
 
 # API Server
 fastapi==0.120.2
-pydantic==2.12.3
+pydantic==2.12.4
 uvicorn==0.38.0
 pyjwt==2.10.1
 aiofiles==25.1.0