[quant] Add quantized::sigmoid that take output_scale/output_zero_point as input (#45882)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/45882
Same changes as the stack for leaky_relu: https://github.com/pytorch/pytorch/pull/45702
Test Plan: Imported from OSS
Reviewed By: z-a-f
Differential Revision: D24129113
fbshipit-source-id: a26da33f877d3bdeea1976b69b2bd9369c2bf196
