chore(deps): bump pydantic in the python-dependencies group

Bumps the python-dependencies group with 1 update: [pydantic](https://github.com/pydantic/pydantic).


Updates `pydantic` from 2.8.2 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@v2.8.2...v2.12.3)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.12.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python-dependencies
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]