Adds changelogs, upgrade version (#669)

Signed-off-by: Xavier Dupre <xadupre@microsoft.com>

CHANGELOGS.md

@@ -0,0 +1,19 @@
+# Change Logs
+
+## 1.12.0
+
+* Support count:poisson for XGBRegressor
+  [#666](https://github.com/onnx/onnxmltools/pull/666)
+* Supports XGBRFClassifier and XGBRFRegressor
+  [#665](https://github.com/onnx/onnxmltools/pull/665)
+* ONNX_DFS_PATH to be set in the spark config
+  [#653](https://github.com/onnx/onnxmltools/pull/653)
+  (by @Ironwood-Cyber)
+* Sparkml converter: support type StringType and StringType()
+  [#639](https://github.com/onnx/onnxmltools/pull/639)
+* Add check for base_score in _get_attributes function
+  [#637](https://github.com/onnx/onnxmltools/pull/637),
+  [#626](https://github.com/onnx/onnxmltools/pull/626),
+  (by @tolleybot)
+* Support for lightgbm >= 4.0
+  [#634](https://github.com/onnx/onnxmltools/pull/634)

onnxmltools/__init__.py

@@ -5,7 +5,7 @@
 This framework converts any machine learned model into onnx format
 which is a common language to describe any machine learned model.
 """
-__version__ = "1.11.3"
+__version__ = "1.12.0"
 __author__ = "ONNX"
 __producer__ = "OnnxMLTools"
 __producer_version__ = __version__