Downgrade NumPy to pre 2.0.0

NumPy 2.0.0 is not compatible with Pandas.

Author: phumthep

pyproject.toml

@@ -14,8 +14,9 @@ dependencies = [
     "highspy >= 1.7.2",
     "matplotlib >= 3.7.1",
     "networkx >= 3.1.0",
-    "numpy >= 1.26.0",
+    "numpy == 1.26.4",
     "pandas >= 2.1.1",
+    "pmdarima >= 2.0.4",
     "scipy >= 1.11.3",
     "scikit-learn >= 1.5.2",
     "statsmodels >= 0.14.4",