Update Dockerfile

Dockerfile

@@ -35,7 +35,7 @@ RUN pip install plotly
 
 # Install for -> artifint
 RUN pip install python-constraint
-RUN pip install ortools==9.6.2534
+RUN pip install ortools==9.5.2237
 #RUN pip install tensorflow_decision_forests
 
 # Install for -> windkanl