Onnx2tf

- `Mul`, `Div`, `Sub`, or `Mod`
- Modified to suppress broadcast when `Gemm` is immediately followed by a scalar `Mul`, `Div`, `Sub`, or `Mod`.
- This is a very specific workaround for the special specifications of NNAPI.
- Address the issue of NNAPI not allowing multi-dimensional bias.
- The problem is not reproducible for variable batch sizes.
- The problem reproduces only when changing to a fixed batch size.
- [pre_explicit_broadcast should not expend scalar tensor 573](https://github.com/PINTO0309/onnx2tf/issues/573)

What's Changed
* Modified to suppress broadcast when `Gemm` is immediately followed by a scalar `Mul`, `Div`, `Sub`, or `Mod`. by PINTO0309 in https://github.com/PINTO0309/onnx2tf/pull/577


**Full Changelog**: https://github.com/PINTO0309/onnx2tf/compare/1.19.9...1.19.10

- Improved `GatherElements` conversion stability.
- [bodypix_mobilenet050_stride8_1x3x128x160.onnx.zip](https://github.com/PINTO0309/onnx2tf/files/14007981/bodypix_mobilenet050_stride8_1x3x128x160.onnx.zip)

What's Changed
* Improved `GatherElements` conversion stability. by PINTO0309 in https://github.com/PINTO0309/onnx2tf/pull/576


**Full Changelog**: https://github.com/PINTO0309/onnx2tf/compare/1.19.8...1.19.9

- `Gemm`
- Fixed Abort bug when converting models with `--optimization_for_gpu_delegate`.

|onnx|before tflite|after tflite|
|:-:|:-:|:-:|
||||
- [pre_explicit_broadcast should not expend scalar tensor 573](https://github.com/PINTO0309/onnx2tf/issues/573)

What's Changed
* Fixed Abort bug when converting models with `--optimization_for_gpu_delegate`. by PINTO0309 in https://github.com/PINTO0309/onnx2tf/pull/574


**Full Changelog**: https://github.com/PINTO0309/onnx2tf/compare/1.19.7...1.19.8

- Improved the display of auxiliary error messages regarding `flatc` installation instructions.
- [Full int8 quantized model doesn't work when "flatc" is installed on the system 567](https://github.com/PINTO0309/onnx2tf/issues/567)

What's Changed
* improve flatc warning message by spacycoder in https://github.com/PINTO0309/onnx2tf/pull/570

New Contributors
* spacycoder made their first contribution in https://github.com/PINTO0309/onnx2tf/pull/570

**Full Changelog**: https://github.com/PINTO0309/onnx2tf/compare/1.19.6...1.19.7

- Support for `STFT` (Partially supported)
1. add onnx2tf/onnx2tf/ops/STFT.py. This is the main implementation of the STFT op.
2. provide example STFT onnx model

<img width="1120" alt="image" src="https://github.com/PINTO0309/onnx2tf/assets/16576982/6e0272dd-e9d1-4e76-becb-73328c097975">

What's Changed
* Add STFT op onnx2tf support by guanerdan in https://github.com/PINTO0309/onnx2tf/pull/566

New Contributors
* guanerdan made their first contribution in https://github.com/PINTO0309/onnx2tf/pull/566

**Full Changelog**: https://github.com/PINTO0309/onnx2tf/compare/1.19.5...1.19.6

- `Resize`
- Implement workaround for cases where the input tensor contains multiple undefined dimensions.
- Addressed the issue of `Resize` aborting only when resizing by the `scales` parameter, not by the `sizes` parameter.
- [fp32.onnx.zip](https://github.com/PINTO0309/onnx2tf/files/13849348/fp32.onnx.zip)
- [Failed to convert Real-ESRGAN x4-general (NCHW) 563](https://github.com/PINTO0309/onnx2tf/issues/563)

What's Changed
* Implement workaround for cases where the input tensor contains multiple undefined dimensions `Resize` by PINTO0309 in https://github.com/PINTO0309/onnx2tf/pull/564


**Full Changelog**: https://github.com/PINTO0309/onnx2tf/compare/1.19.4...1.19.5