pip(deps-dev): bump pydantic from 2.12.0a1 to 2.12.0b1

Bumps [pydantic](https://github.com/pydantic/pydantic) from 2.12.0a1 to 2.12.0b1.
- [Release notes](https://github.com/pydantic/pydantic/releases)
- [Changelog](https://github.com/pydantic/pydantic/blob/main/HISTORY.md)
- [Commits](pydantic/pydantic@v2.12.0a1...v2.12.0b1)

---
updated-dependencies:
- dependency-name: pydantic
  dependency-version: 2.12.0b1
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]