Update update_s3_htmls.yml (#49934)
Summary:
It is now running for forks, and generates a lot of failure message to owner of forks.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/49934
Reviewed By: mruberry
Differential Revision: D25739552
Pulled By: seemethere
fbshipit-source-id: 0f9cc430316c0a5e9972de3cdd06d225528c81c2
