onnxruntime

Update nGraph to version 0.26 (#1965)

* Adjust ngraph cmake files to onnx 1.5.0

* Enable LSTM reverse direction mode in nGraph EP

* Enable full support for the Split op in nGraph EP

* Revert "Disable the unsigned input Shrink op tests for nGraph until the next update"

This reverts commit 257b42a55bdd98f804d4846868542b8e3aeb4b4e.

* Enable Gather and remove unused subgraph attribute

* Remove the unused param from AppendClusterToSubGraph

* Fix for the incorrect onnx opset version

* Use the r0.26 release branch before the tag is created

* Enable the quantizelinear and dequantizelinear for NGEP

* Use the v0.26.0-rc.2 tag in ngraph.cmake

* Add skip for modes others than default in Pad operator

* Reenable negative axis tests for ngraph

* Use temporary ngraph version

* Use branch name instead of SHA for temporary ngraph branch

* Use ngraph v0.26.0-rc.4

* Remove patch for missing symbol in MKLDNN

* Use MKLDNN 1.0 in ngraph

* Exclude the Pad op for opsets greater than 10

* Disable quantizelinear and dequantizelinear tests for ONNX 1.5.0

* Fix the onnx-headers related compilation errors

* ONNX libs linking fix

* Use a tag for ngraph and support more Pad modes

* Use the v0.26.0 release tag for nGraph

* Update ngraph to RC8 - bigobj flag for Windows builds

* Fix the MKLDNN constexpr error on Windows