update onnx optimizer for bugfixes

Signed-off-by: daquexian <[email protected]>

fix qdq bug

Signed-off-by: daquexian <[email protected]>

build onnxsim wasm with MinSizeRel build type

Signed-off-by: daquexian <[email protected]>

fix unpack error

Signed-off-by: daquexian <[email protected]>

upgrade custom onnx for bugfixes

Signed-off-by: daquexian <[email protected]>

filter out experimental ops, fix op type bug

Signed-off-by: daquexian <[email protected]>

always use latest pytest

Signed-off-by: daquexian <[email protected]>

set name of upload_pypi step

Signed-off-by: daquexian <[email protected]>

update README.md to mention projects using onnxsim

Signed-off-by: daquexian <[email protected]>

optimize ConstantOfShape, and upgrade onnxruntime dependency

Signed-off-by: daquexian <[email protected]>