.github: Add action workflow to update S3 HTMLS (#49509)
Summary:
Successful run: https://github.com/pytorch/pytorch/runs/1572315901
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
Pull Request resolved: https://github.com/pytorch/pytorch/pull/49509
Reviewed By: walterddr
Differential Revision: D25619133
Pulled By: seemethere
fbshipit-source-id: 092ab12535f3bf4fc85bbfc690d3f5b10a5f8791
