Model zoo test failures

[justinchuby]

https://github.com/onnx/onnx/actions/runs/8962117051/job/24610534787#step:7:943

--------------Time used: 0.31854987144470215 secs-------------
In all 184 models, 4 models failed, 25 models were skipped
ResNet-preproc failed because: Field 'type' of 'value_info' is required but missing.
VGG 16-bn failed because: /Users/runner/work/onnx/onnx/onnx/version_converter/adapters/transformers.h:35: operator(): Assertion `node->i(attr) == value` failed: Attribute spatial must have value 1
VGG 19-bn failed because: /Users/runner/work/onnx/onnx/onnx/version_converter/adapters/transformers.h:35: operator(): Assertion `node->i(attr) == value` failed: Attribute spatial must have value 1
SSD-MobilenetV1 failed because: [ShapeInferenceError] Inference error(s): (op_type:Loop, node name: generic_loop_Loop__48): [ShapeInferenceError] Inference error(s): (op_type:If, node name: Postprocessor/BatchMultiClassNonMaxSuppression/map/while/PadOrClipBoxList/cond_If__115): [ShapeInferenceError] Inference error(s): (op_type:Concat, node name: Postprocessor/BatchMultiClassNonMaxSuppression/map/while/PadOrClipBoxList/cond/concat): [ShapeInferenceError] All inputs to Concat must have same rank. Input 1 has rank 1 != 2

cc @ramkrishna2910

[ramkrishna2910]

I will investigate this shortly.