Summary:
I'm just doing the honors and bumping the version to 1.0.0.

1.0 preview and RC releases will have the 1.0.0.dev{date} tag
Pull Request resolved: https://github.com/pytorch/pytorch/pull/11717

Reviewed By: SsnL

Differential Revision: D9840857

Pulled By: soumith

fbshipit-source-id: 4c9c2e01dccb3c521dab26c49e1569d970a87ace