* fix conflict

* fix compile error

* cherry-pick #31316

* Refine cudnn softmax (#25757)

* refine cudnn softmax

* Trt elementwise plugin serialize (#31587)

* add serialize unittest

* fix element_op trt plugin serialize bug

* remove PassVersionChecker.IsCompatible

* fix unittest
Co-authored-by: NPei Yang <peiyang@baidu.com>
Co-authored-by: NGaoWei8 <53294385+GaoWei8@users.noreply.github.com>