onnxruntime

[Qlinearsoftmax] contrib cpu (#12177)

* [Qlinearsoftmax] contrib cpu

* int8 implementation

* contrib operator md

* qdq transformer test

* new attribute: opset

* doc

* quantized tool

* remove template to reduce Binary size

* doc of contribe operators

* enforce x_shape is valid

* fix reduce_size if input-shape is dynamic

* add UT

* register one op for reducing binarysize

* kernel hash update

* docs/ContribOperators.md