build(deps): update openapi-core requirement from ~=0.19.0 to ~=0.19.2
Updates the requirements on [openapi-core](https://github.com/python-openapi/openapi-core) to permit the latest version.
- [Release notes](https://github.com/python-openapi/openapi-core/releases)
- [Commits](https://github.com/python-openapi/openapi-core/compare/0.19.0...0.19.2)