chore(deps): bump pydantic from 2.12.0 to 2.12.3

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] <[email protected]>

Author: dependabot[bot]

requirements.txt

@@ -16,7 +16,7 @@ marshmallow==3.26.1
     # via ahbicht (pyproject.toml)
 packaging==25.0
     # via marshmallow
-pydantic==2.12.0
+pydantic==2.12.3
     # via ahbicht (pyproject.toml)
 pydantic-core==2.41.1
     # via pydantic