Bump nightlies to 1.8.0 (#45696)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/45696
Similar to https://github.com/pytorch/pytorch/pull/40519
Signed-off-by: Eli Uriegas <eliuriegas@fb.com>
Test Plan: Imported from OSS
Reviewed By: samestep
Differential Revision: D24064381
Pulled By: seemethere
fbshipit-source-id: 1484b9c4fc5fa8cfa7be591a0a5d4b6e05968589
