Fix formatting error in `set_deterministic` documentation (#49136)
Summary:
Fixes formatting error that was preventing a bulleted list from being displayed properly
Pull Request resolved: https://github.com/pytorch/pytorch/pull/49136
Reviewed By: zou3519
Differential Revision: D25493130
Pulled By: mruberry
fbshipit-source-id: 7fc21e0e2cfa9465a60d2d43b805164316375f01