Onnx2torch

Hi!
New release 1.2.5. In this release we add:
- ConvTranspose

And fix:
- RoiAlign export

- Support `VIT`, `SWIN`, `FasterRcnn` models;
- add `RoiAlign` operation;
- Add `Floor`, `Ceil`, `Round` and trigonometric functions;
- New model tests for classification, detection and segmentation;

Fixes:
- Fix `ScatterND` and its speed;
- Fix names of plaseholders;
- Fix optional arguments if last arguments are not passed;
- Fix checking of empty inputs;
- Fix avg pool operation;

Support of optional input arguments;

Fixed dynamic axes for squeeze and unsqueeze.

Also added new operations listed below:

Resize
Reduces operations (ReduceL1, ReduceL2, ReduceLogSum, ReduceLogSumExp, ReduceMax, ReduceMean, ReduceMin, ReduceProd, ReduceSum, ReduceSumSquare)
Logical Operaations (Or, Xor, And, Not)
HardSigmoid, LeakyRelu
Pow, Sqrt

Supported models:
* Resnet50
* ssdlite (backbone MobilenetV2)