Added mxnet==1.2.0 to requirements-conversion.txt for Demos Windows 10 Job (#2701) (#2802) (#2803)

* Removed win32 exception for mxnet

* Added mxnet==1.2.0 for win32

Co-authored-by: Nikita Ignatovsky <[email protected]>

Co-authored-by: Vladimir Dudnik <[email protected]>
Co-authored-by: Nikita Ignatovsky <[email protected]>

Author: 3 people

ci/requirements-conversion.txt

@@ -52,6 +52,7 @@ keras-preprocessing==1.1.2
     # via tensorflow
 markdown==3.3.4
     # via tensorboard
+mxnet==1.2.0 ; sys_platform == 'win32'
 mxnet==1.7.0.post2 ; sys_platform != "win32"
     # via -r ${INTEL_OPENVINO_DIR}/deployment_tools/model_optimizer/requirements_mxnet.txt
 networkx==2.5