devel/py-pydantic2: Allow build with py-pydantic-core 2.27.0
- Bump PORTREVISION for package change
Obtained from: https://github.com/pydantic/pydantic/commit/678ec30686af0b99a0632dde01dcf592aed0e306
https://github.com/pydantic/pydantic/commit/4eecee7baf2b85fffae669574f9e26e34cc2f8f0