move docker image html to correct bucket (#31832)
Summary:
save docker image version to docker.pytorch.org bucket to be served with http://docker.pytorch.org
test result: https://s3.amazonaws.com/docker.pytorch.org/pytorch.html
Pull Request resolved: https://github.com/pytorch/pytorch/pull/31832
Differential Revision: D19281263
Pulled By: mingbowan
fbshipit-source-id: d906a72d419876c81a570a2086b2d8d2c47d5d17
