Add deployment environment for docs and upload test stats (#107318)
Many thanks to this discussion comment for explaining why we don't need an environment for the calling workflow but the secret can still be used
https://github.com/orgs/community/discussions/25238#discussioncomment-3247035
Pull Request resolved: https://github.com/pytorch/pytorch/pull/107318
Approved by: https://github.com/huydhn, https://github.com/atalman
