pin onnx version

Author: ChristianBeilschmidt

setup.cfg

@@ -35,9 +35,8 @@ install_requires =
     xarray >=0.19,<2025.5
     urllib3 >= 2.1, < 2.5
     pydantic >= 2.10.6, < 2.12
-    skl2onnx >=1.17,<2 ; python_version<"3.13"
-    skl2onnx @ git+https://github.com/onnx/sklearn-onnx ; python_version>="3.13" # TODO: remove when skl2onnx 1.19 is released
-    onnx @ https://test-files.pythonhosted.org/packages/a6/17/d5fda1165f0eac5055a9b63a00b13734a65f08ff6c9b0a54467c39b2dfea/onnx-1.18.0rc2-cp313-cp313-manylinux_2_17_x86_64.manylinux2014_x86_64.whl ; python_version>="3.13" # TODO: remove when skl2onnx 1.19 is released
+    skl2onnx >=1.17,<2
+    onnx == 1.17.0 # TODO: remove fix when skl2onnx is updated to 1.19
 
 [[onnx]]