build(deps-dev): bump pydantic-core from 2.20.1 to 2.21.0 (#479)

Bumps [pydantic-core](https://github.com/pydantic/pydantic-core) from 2.20.1 to 2.21.0.
- [Release notes](https://github.com/pydantic/pydantic-core/releases)
- [Commits](pydantic/pydantic-core@v2.20.1...v2.21.0)

---
updated-dependencies:
- dependency-name: pydantic-core
  dependency-type: indirect
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]