skl2onnx==1.17.0 breaks pipeline

[ksaur]

Pipeline failure related to new skl2onnx version released 8 hours ago Unsupported model IR version: 10, max supported IR version: 9

Need to pin for now.

=========================== short test summary info ============================
FAILED tests/test_onnxml_binarizer_converter.py::TestONNXBinarizer::test_binarizer_converter_0thresh - onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Failed to load model with error: /onnxruntime_src/onnxruntime/core/graph/model.cc:179 onnxruntime::Model::Model(onnx::ModelProto&&, const onnxruntime::PathString&, const onnxruntime::IOnnxRuntimeOpSchemaRegistryList*, const onnxruntime::logging::Logger&, const onnxruntime::ModelOptions&) Unsupported model IR version: 10, max supported IR version: 9
FAILED tests/test_onnxml_binarizer_converter.py::TestONNXBinarizer::test_binarizer_converter_negthresh - onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Failed to load model with error: /onnxruntime_src/onnxruntime/core/graph/model.cc:179 onnxruntime::Model::Model(onnx::ModelProto&&, const onnxruntime::PathString&, const onnxruntime::IOnnxRuntimeOpSchemaRegistryList*, const onnxruntime::logging::Logger&, const onnxruntime::ModelOptions&) Unsupported model IR version: 10, max supported IR version: 9
FAILED tests/test_onnxml_binarizer_converter.py::TestONNXBinarizer::test_binarizer_converter_posthresh - onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Failed to load model with error: /onnxruntime_src/onnxruntime/core/graph/model.cc:179 onnxruntime::Model::Model(onnx::ModelProto&&, const onnxruntime::PathString&, const onnxruntime::IOnnxRuntimeOpSchemaRegistryList*, const onnxruntime::logging::Logger&, const onnxruntime::ModelOptions&) Unsupported model IR version: 10, max supported IR version: 9
FAILED tests/test_onnxml_imputer_converter.py::TestONNXImputer::test_onnx_imputer_const - onnxruntime.capi.onnxruntime_pybind11_state.InvalidArgument: [ONNXRuntimeError] : 2 : INVALID_ARGUMENT : Failed to load model with error: /onnxruntime_src/onnxruntime/core/graph/model.cc:179 onnxruntime::Model::Model(onnx::ModelProto&&, const onnxruntime::PathString&, const onnxruntime::IOnnxRuntimeOpSchemaRegistryList*, const onnxruntime::logging::Logger&, const onnxruntime::ModelOptions&) Unsupported model IR version: 10, max supported IR version: 9
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