[numpy] `torch.sinh`: promote integer inputs to float (#48644)
Summary:
Reference: https://github.com/pytorch/pytorch/issues/42515
Pull Request resolved: https://github.com/pytorch/pytorch/pull/48644
Reviewed By: heitorschueroff
Differential Revision: D25298436
Pulled By: mruberry
fbshipit-source-id: 675ad8e3c34e61fbbab77eca15048df09b09c1ed