Add Type Hinting with Upgraded OpenAPI

[https://github.com/kubernetes-client/python/issues/1984](https://github.com/kubernetes-client/python/issues/1984)

See related issue on Kubernetes. It looks like modern versions of openapi generator can generate api objects with type hinting baked in for much easier QOL for devs. This would be great to have to bump up the version of the generator to latest and regenerate.